/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 03:57:50,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 03:57:50,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 03:57:50,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 03:57:50,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 03:57:50,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 03:57:50,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 03:57:50,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-07-10 03:57:50,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 03:57:50,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 03:57:50,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 03:57:50,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 03:57:50,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 03:57:50,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 03:57:50,860 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 03:57:50,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 03:57:50,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 03:57:50,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 03:57:50,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 03:57:50,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 03:57:50,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 03:57:50,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 03:57:50,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 03:57:50,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 03:57:50,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 03:57:50,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 03:57:50,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 03:57:50,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 03:57:50,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 03:57:51,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 03:57:51,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 03:57:51,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 03:57:51,155 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 03:57:51,155 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 03:57:51,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-10 03:57:51,156 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-10 03:57:51,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 03:57:51,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 03:57:51,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 03:57:51,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 03:57:51,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 03:57:51,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 03:57:51,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 03:57:51,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 03:57:51,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 03:57:51,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... [2021-07-10 03:57:51,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 03:57:51,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 03:57:51,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 03:57:51,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 03:57:51,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 03:57:51,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 03:57:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 03:57:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 03:57:51,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 03:57:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 03:57:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 03:57:51,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 03:57:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 03:57:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 03:57:51,292 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 03:57:51,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 03:57:51,508 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 03:57:51,508 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 03:57:51,509 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 03:57:51,510 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:57:51 BoogieIcfgContainer [2021-07-10 03:57:51,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 03:57:51,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 03:57:51,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 03:57:51,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 03:57:51,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:57:51" (1/2) ... [2021-07-10 03:57:51,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642ff8e and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:57:51, skipping insertion in model container [2021-07-10 03:57:51,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:57:51" (2/2) ... [2021-07-10 03:57:51,515 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 03:57:51,518 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 03:57:51,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 03:57:51,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 03:57:51,519 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 03:57:51,540 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 03:57:51,555 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 03:57:51,600 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 03:57:51,601 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 03:57:51,601 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 03:57:51,601 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 03:57:51,601 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 03:57:51,601 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 03:57:51,601 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 03:57:51,601 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 03:57:51,639 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:51,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:51,642 INFO L82 PathProgramCache]: Analyzing trace with hash -381977242, now seen corresponding path program 1 times [2021-07-10 03:57:51,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:51,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032937334] [2021-07-10 03:57:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:51,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:51,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032937334] [2021-07-10 03:57:51,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032937334] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:57:51,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:57:51,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 03:57:51,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025908270] [2021-07-10 03:57:51,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 03:57:51,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:51,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 03:57:51,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 03:57:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:51,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:51,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:51,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:51,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 03:57:51,849 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:51,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1042522380, now seen corresponding path program 1 times [2021-07-10 03:57:51,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:51,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370630344] [2021-07-10 03:57:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:51,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:51,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370630344] [2021-07-10 03:57:51,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370630344] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:57:51,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:57:51,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 03:57:51,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694328663] [2021-07-10 03:57:51,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 03:57:51,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:51,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 03:57:51,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 03:57:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:51,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:51,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:51,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:51,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:51,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 03:57:51,959 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:51,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:51,960 INFO L82 PathProgramCache]: Analyzing trace with hash -707752582, now seen corresponding path program 1 times [2021-07-10 03:57:51,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:51,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995352910] [2021-07-10 03:57:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:52,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:52,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995352910] [2021-07-10 03:57:52,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995352910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:52,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827479570] [2021-07-10 03:57:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:52,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 03:57:52,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:52,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827479570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:52,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:52,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 03:57:52,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904562603] [2021-07-10 03:57:52,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 03:57:52,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:52,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 03:57:52,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 03:57:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:52,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:52,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:52,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:52,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:52,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:52,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:52,374 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:52,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:52,375 INFO L82 PathProgramCache]: Analyzing trace with hash -466578568, now seen corresponding path program 1 times [2021-07-10 03:57:52,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:52,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352335361] [2021-07-10 03:57:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:52,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:52,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352335361] [2021-07-10 03:57:52,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352335361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:52,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577952941] [2021-07-10 03:57:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:52,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 03:57:52,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:53,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:53,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:53,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 03:57:53,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:53,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:53,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:57:53,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:53,239 INFO L628 ElimStorePlain]: treesize reduction 62, result has 44.1 percent of original size [2021-07-10 03:57:53,239 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:53,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:53,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 03:57:53,244 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:53,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:57:53,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:53,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-10 03:57:53,260 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:53,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:57:53,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 03:57:53,272 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:125, output treesize:22 [2021-07-10 03:57:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:53,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577952941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:53,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:53,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-07-10 03:57:53,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239722837] [2021-07-10 03:57:53,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 03:57:53,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 03:57:53,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-10 03:57:53,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:53,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:53,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:53,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:53,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:53,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:53,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:53,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:53,904 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:53,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1580118726, now seen corresponding path program 2 times [2021-07-10 03:57:53,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:53,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083590811] [2021-07-10 03:57:53,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:53,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:53,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083590811] [2021-07-10 03:57:53,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083590811] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:53,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177608993] [2021-07-10 03:57:53,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:53,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:57:53,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:57:53,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 03:57:53,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:54,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:54,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:57:54,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:57:54,109 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:54,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:57:54,113 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:57:54,116 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:57:54,119 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:57:54,122 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,142 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 03:57:54,142 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:54,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:57:54,143 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:57:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:54,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177608993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:54,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:54,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 03:57:54,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210340622] [2021-07-10 03:57:54,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 03:57:54,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:54,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 03:57:54,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 03:57:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:54,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:54,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:54,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:54,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:54,564 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash -4067700, now seen corresponding path program 3 times [2021-07-10 03:57:54,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:54,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590768778] [2021-07-10 03:57:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:54,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:54,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590768778] [2021-07-10 03:57:54,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590768778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:54,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198116095] [2021-07-10 03:57:54,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:54,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 03:57:54,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:57:54,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 03:57:54,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:54,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:54,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:57:54,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:57:54,729 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,743 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:57:54,748 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:54,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:57:54,750 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:57:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:54,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198116095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:54,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:54,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 03:57:54,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633521911] [2021-07-10 03:57:54,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 03:57:54,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:54,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 03:57:54,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 03:57:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:54,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:54,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:54,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:54,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:54,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:55,055 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-10 03:57:55,056 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:55,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:55,056 INFO L82 PathProgramCache]: Analyzing trace with hash -127183706, now seen corresponding path program 4 times [2021-07-10 03:57:55,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:55,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157808599] [2021-07-10 03:57:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:55,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:55,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157808599] [2021-07-10 03:57:55,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157808599] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:55,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699049797] [2021-07-10 03:57:55,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:55,656 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:57:55,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:57:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 03:57:55,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:56,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:56,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:56,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-10 03:57:56,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:56,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:56,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 03:57:56,063 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:56,086 INFO L628 ElimStorePlain]: treesize reduction 94, result has 10.5 percent of original size [2021-07-10 03:57:56,086 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:56,086 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-10 03:57:56,086 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-10 03:57:56,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:57:56,086 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-10 03:57:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:56,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699049797] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:56,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:56,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-10 03:57:56,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679637443] [2021-07-10 03:57:56,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 03:57:56,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:56,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 03:57:56,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 03:57:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:56,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:56,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:56,556 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-10 03:57:56,712 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2021-07-10 03:57:57,006 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2021-07-10 03:57:57,288 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-07-10 03:57:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 03:57:57,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:57,504 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:57,505 INFO L82 PathProgramCache]: Analyzing trace with hash 351187404, now seen corresponding path program 5 times [2021-07-10 03:57:57,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:57,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549203272] [2021-07-10 03:57:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:57,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:57,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549203272] [2021-07-10 03:57:57,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549203272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:57,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768028532] [2021-07-10 03:57:57,582 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:57,618 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 03:57:57,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:57:57,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 03:57:57,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:57,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:57:57,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:57,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:57:57,715 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:57:57,718 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:57,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:57:57,722 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:57:57,724 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:57:57,727 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:57,748 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 03:57:57,748 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:57,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:57:57,752 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:57:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:57,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768028532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:57,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:57,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 03:57:57,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061222188] [2021-07-10 03:57:57,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 03:57:57,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:57,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 03:57:57,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 03:57:57,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:57,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:57,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 03:57:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:57:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:57:58,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 03:57:58,193 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:58,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:58,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1964128954, now seen corresponding path program 6 times [2021-07-10 03:57:58,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:58,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633458171] [2021-07-10 03:57:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:58,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:58,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633458171] [2021-07-10 03:57:58,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633458171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:58,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473326115] [2021-07-10 03:57:58,271 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:58,306 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 03:57:58,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:57:58,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 03:57:58,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:58,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:58,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:57:58,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:58,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:57:58,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:58,392 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:57:58,393 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:57:58,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:57:58,393 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:57:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:58,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473326115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:58,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:57:58,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 03:57:58,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395872324] [2021-07-10 03:57:58,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 03:57:58,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:57:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 03:57:58,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 03:57:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:58,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:57:58,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:57:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:57:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:57:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:57:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:57:58,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-10 03:57:58,738 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:57:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:57:58,738 INFO L82 PathProgramCache]: Analyzing trace with hash 757370424, now seen corresponding path program 7 times [2021-07-10 03:57:58,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:57:58,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511261713] [2021-07-10 03:57:58,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:57:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:57:59,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:57:59,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511261713] [2021-07-10 03:57:59,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511261713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:57:59,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689965108] [2021-07-10 03:57:59,342 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:57:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:57:59,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 03:57:59,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:57:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:59,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:59,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 03:57:59,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:57:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:57:59,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:57:59,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-10 03:57:59,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:00,023 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-07-10 03:58:00,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-10 03:58:00,023 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:00,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-10 03:58:00,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:00,024 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 03:58:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:00,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689965108] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:00,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:00,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 03:58:00,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546599838] [2021-07-10 03:58:00,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 03:58:00,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:00,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 03:58:00,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-10 03:58:00,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:00,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:00,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:00,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:00,573 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 03:58:00,773 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-10 03:58:00,976 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 81 [2021-07-10 03:58:01,320 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-10 03:58:01,472 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-07-10 03:58:01,782 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 95 [2021-07-10 03:58:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:02,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:02,151 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2002561658, now seen corresponding path program 8 times [2021-07-10 03:58:02,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:02,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076703868] [2021-07-10 03:58:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:02,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:02,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076703868] [2021-07-10 03:58:02,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076703868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:02,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127518973] [2021-07-10 03:58:02,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:02,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:58:02,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:02,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 03:58:02,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:02,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:02,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:02,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:02,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:02,430 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:58:02,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:02,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:02,435 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:58:02,437 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:02,455 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 03:58:02,455 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:02,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:02,455 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:02,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127518973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:02,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:02,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 03:58:02,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123220918] [2021-07-10 03:58:02,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 03:58:02,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:02,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 03:58:02,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 03:58:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:02,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:02,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:02,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:02,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:03,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-07-10 03:58:03,004 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:03,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:03,005 INFO L82 PathProgramCache]: Analyzing trace with hash 464142156, now seen corresponding path program 9 times [2021-07-10 03:58:03,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:03,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297416601] [2021-07-10 03:58:03,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:03,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:03,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297416601] [2021-07-10 03:58:03,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297416601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:03,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341673571] [2021-07-10 03:58:03,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:03,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 03:58:03,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:03,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 03:58:03,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:03,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:03,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:03,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:03,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:03,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:03,254 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:03,254 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:03,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:03,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:03,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341673571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:03,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:03,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 03:58:03,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229867125] [2021-07-10 03:58:03,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 03:58:03,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:03,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 03:58:03,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 03:58:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:03,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:03,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:03,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-10 03:58:03,609 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:03,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1502419942, now seen corresponding path program 10 times [2021-07-10 03:58:03,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:03,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346495090] [2021-07-10 03:58:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:04,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:04,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346495090] [2021-07-10 03:58:04,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346495090] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:04,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058816486] [2021-07-10 03:58:04,225 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:04,266 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:58:04,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:04,267 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 03:58:04,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:05,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:05,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-10 03:58:05,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:05,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-10 03:58:05,169 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:05,211 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-10 03:58:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:05,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:05,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-10 03:58:05,221 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:05,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:58:05,231 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:05,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:05,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 03:58:05,234 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 03:58:05,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:58:05,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 03:58:05,244 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-10 03:58:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:05,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058816486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:05,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:05,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 03:58:05,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948670162] [2021-07-10 03:58:05,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 03:58:05,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 03:58:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-10 03:58:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:05,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:05,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:05,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:05,895 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-10 03:58:06,114 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-10 03:58:06,352 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-10 03:58:06,610 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-10 03:58:06,887 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-10 03:58:07,054 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-10 03:58:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:07,317 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:07,317 INFO L82 PathProgramCache]: Analyzing trace with hash -670707060, now seen corresponding path program 11 times [2021-07-10 03:58:07,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:07,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773514332] [2021-07-10 03:58:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:07,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:07,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773514332] [2021-07-10 03:58:07,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773514332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:07,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411459969] [2021-07-10 03:58:07,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:07,474 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 03:58:07,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:07,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 03:58:07,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:07,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:07,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:07,616 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:07,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:07,622 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:07,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:07,625 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:07,628 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:07,650 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:58:07,650 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:07,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:07,651 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:07,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411459969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:07,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:07,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 03:58:07,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388690537] [2021-07-10 03:58:07,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 03:58:07,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:07,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 03:58:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 03:58:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:07,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:07,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:08,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-07-10 03:58:08,293 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:08,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1117071366, now seen corresponding path program 12 times [2021-07-10 03:58:08,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:08,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049616578] [2021-07-10 03:58:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:08,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:08,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049616578] [2021-07-10 03:58:08,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049616578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:08,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401228898] [2021-07-10 03:58:08,401 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:08,433 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 03:58:08,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:08,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 03:58:08,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:08,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:08,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:08,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:08,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:08,565 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:08,578 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:08,578 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:08,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:08,579 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:08,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401228898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:08,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:08,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 03:58:08,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001004339] [2021-07-10 03:58:08,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 03:58:08,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:08,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 03:58:08,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 03:58:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:08,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:08,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:08,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:08,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:08,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:08,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:08,984 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:08,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:08,984 INFO L82 PathProgramCache]: Analyzing trace with hash -270558984, now seen corresponding path program 13 times [2021-07-10 03:58:08,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:08,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747192081] [2021-07-10 03:58:08,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:09,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:09,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747192081] [2021-07-10 03:58:09,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747192081] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:09,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254623370] [2021-07-10 03:58:09,463 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:09,496 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-10 03:58:09,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:10,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 03:58:10,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:10,628 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-07-10 03:58:10,628 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:10,628 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-10 03:58:10,628 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-10 03:58:10,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:10,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 03:58:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:10,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254623370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:10,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:10,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-10 03:58:10,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297553030] [2021-07-10 03:58:10,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 03:58:10,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:10,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 03:58:10,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 03:58:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:10,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:10,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:10,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:10,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:10,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:10,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:11,341 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-07-10 03:58:11,518 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-10 03:58:11,687 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-10 03:58:11,884 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-10 03:58:12,083 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:12,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:12,441 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:12,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:12,442 INFO L82 PathProgramCache]: Analyzing trace with hash 201521082, now seen corresponding path program 14 times [2021-07-10 03:58:12,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:12,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378859056] [2021-07-10 03:58:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:12,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:12,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378859056] [2021-07-10 03:58:12,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378859056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:12,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554858901] [2021-07-10 03:58:12,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:12,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:58:12,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:12,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 03:58:12,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:12,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:12,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:12,814 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:12,829 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:12,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:12,834 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:12,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:12,837 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:12,840 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:12,863 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:58:12,863 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:12,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:12,864 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:12,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554858901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:12,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:12,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 03:58:12,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65781854] [2021-07-10 03:58:12,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 03:58:12,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 03:58:12,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 03:58:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:12,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:12,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:13,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-10 03:58:13,637 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:13,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:13,637 INFO L82 PathProgramCache]: Analyzing trace with hash -750870516, now seen corresponding path program 15 times [2021-07-10 03:58:13,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:13,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390422813] [2021-07-10 03:58:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:13,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:13,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390422813] [2021-07-10 03:58:13,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390422813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:13,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841057491] [2021-07-10 03:58:13,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:13,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 03:58:13,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 03:58:13,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:13,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:13,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:13,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:13,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:13,972 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:13,986 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:13,986 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:13,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:13,987 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:14,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841057491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:14,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:14,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 03:58:14,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499199098] [2021-07-10 03:58:14,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 03:58:14,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:14,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 03:58:14,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 03:58:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:14,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:14,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:14,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:14,497 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:14,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:14,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1803234522, now seen corresponding path program 16 times [2021-07-10 03:58:14,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:14,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998392159] [2021-07-10 03:58:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:14,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:14,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998392159] [2021-07-10 03:58:14,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998392159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:14,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083027267] [2021-07-10 03:58:14,888 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:14,923 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:58:14,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:14,924 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 03:58:14,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:16,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 03:58:16,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:16,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 03:58:16,479 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:16,492 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-10 03:58:16,492 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:16,492 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-10 03:58:16,492 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-10 03:58:16,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:16,492 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-10 03:58:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:16,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083027267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:16,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:16,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-10 03:58:16,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177499027] [2021-07-10 03:58:16,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 03:58:16,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:16,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 03:58:16,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-10 03:58:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:16,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:16,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:16,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:16,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:16,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:16,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:16,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:17,355 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2021-07-10 03:58:17,539 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 03:58:17,727 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 03:58:17,913 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 03:58:18,117 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-10 03:58:18,318 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:18,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-07-10 03:58:18,706 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:18,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:18,706 INFO L82 PathProgramCache]: Analyzing trace with hash -66780340, now seen corresponding path program 17 times [2021-07-10 03:58:18,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:18,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335652471] [2021-07-10 03:58:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:18,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:18,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335652471] [2021-07-10 03:58:18,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335652471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:18,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684117010] [2021-07-10 03:58:18,890 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:18,929 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 03:58:18,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:18,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 03:58:18,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:19,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:19,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:19,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:19,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:19,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:19,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:58:19,138 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:58:19,141 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:19,144 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:19,168 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 03:58:19,168 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:19,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:19,169 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:19,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684117010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:19,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:19,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 03:58:19,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774676388] [2021-07-10 03:58:19,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 03:58:19,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:19,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 03:58:19,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 03:58:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:19,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:19,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:19,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:20,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-10 03:58:20,037 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:20,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:20,037 INFO L82 PathProgramCache]: Analyzing trace with hash 473851194, now seen corresponding path program 18 times [2021-07-10 03:58:20,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:20,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720983170] [2021-07-10 03:58:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:20,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:20,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720983170] [2021-07-10 03:58:20,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720983170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:20,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610457499] [2021-07-10 03:58:20,210 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:20,254 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 03:58:20,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:20,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 03:58:20,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:20,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:20,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:20,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:20,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:20,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:20,465 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:20,465 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:20,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:20,465 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:20,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610457499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:20,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:20,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 03:58:20,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475226967] [2021-07-10 03:58:20,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 03:58:20,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:20,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 03:58:20,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 03:58:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:20,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:20,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:20,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:20,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-07-10 03:58:20,970 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:20,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:20,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1803400120, now seen corresponding path program 19 times [2021-07-10 03:58:20,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:20,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220693740] [2021-07-10 03:58:20,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:21,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:21,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220693740] [2021-07-10 03:58:21,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220693740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:21,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377470988] [2021-07-10 03:58:21,808 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:21,853 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 03:58:21,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:23,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:23,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 03:58:23,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:23,976 INFO L628 ElimStorePlain]: treesize reduction 217, result has 4.8 percent of original size [2021-07-10 03:58:23,976 INFO L518 ElimStorePlain]: Eliminatee v_prenex_65 vanished before elimination [2021-07-10 03:58:23,976 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-10 03:58:23,976 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:23,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:23,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-10 03:58:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:24,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377470988] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:24,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:24,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-10 03:58:24,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881286870] [2021-07-10 03:58:24,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 03:58:24,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:24,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 03:58:24,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1114, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 03:58:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:24,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:24,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:24,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:24,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:24,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:24,845 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-10 03:58:25,079 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-10 03:58:25,377 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-07-10 03:58:25,669 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-10 03:58:26,063 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 117 [2021-07-10 03:58:26,381 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-10 03:58:26,737 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 125 [2021-07-10 03:58:27,089 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2021-07-10 03:58:27,563 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-07-10 03:58:27,802 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:28,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:28,088 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:28,088 INFO L82 PathProgramCache]: Analyzing trace with hash 69743866, now seen corresponding path program 20 times [2021-07-10 03:58:28,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:28,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705391049] [2021-07-10 03:58:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:28,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:28,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705391049] [2021-07-10 03:58:28,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705391049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:28,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125878727] [2021-07-10 03:58:28,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:28,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:58:28,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:28,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 03:58:28,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:28,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:28,587 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:28,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:28,590 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:28,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:28,596 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:28,599 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:28,622 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:58:28,622 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:28,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:28,622 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:28,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125878727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:28,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:28,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 03:58:28,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891092801] [2021-07-10 03:58:28,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 03:58:28,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:28,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 03:58:28,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 03:58:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:28,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:28,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:28,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:28,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:29,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:29,656 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:29,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:29,657 INFO L82 PathProgramCache]: Analyzing trace with hash -350547764, now seen corresponding path program 21 times [2021-07-10 03:58:29,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:29,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920342904] [2021-07-10 03:58:29,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:29,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:29,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920342904] [2021-07-10 03:58:29,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920342904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:29,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122205485] [2021-07-10 03:58:29,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:29,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 03:58:29,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:29,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 03:58:29,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:30,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:30,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:30,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:30,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:30,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:30,158 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:30,158 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:30,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:30,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:30,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122205485] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:30,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:30,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 03:58:30,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916260680] [2021-07-10 03:58:30,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 03:58:30,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:30,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 03:58:30,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 03:58:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:30,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:30,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:30,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:30,755 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:30,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2016836198, now seen corresponding path program 22 times [2021-07-10 03:58:30,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:30,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780352915] [2021-07-10 03:58:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:31,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:31,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780352915] [2021-07-10 03:58:31,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780352915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:31,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841737721] [2021-07-10 03:58:31,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:31,479 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:58:31,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:31,480 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 03:58:31,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:32,531 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 03:58:32,721 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 03:58:32,939 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 03:58:33,142 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 03:58:33,375 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 03:58:33,618 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 03:58:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:33,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 03:58:33,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:33,955 INFO L628 ElimStorePlain]: treesize reduction 243, result has 4.3 percent of original size [2021-07-10 03:58:33,956 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:33,956 INFO L518 ElimStorePlain]: Eliminatee v_prenex_78 vanished before elimination [2021-07-10 03:58:33,956 INFO L518 ElimStorePlain]: Eliminatee v_prenex_77 vanished before elimination [2021-07-10 03:58:33,956 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:33,956 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 03:58:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:33,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841737721] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:33,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:33,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-10 03:58:33,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864375689] [2021-07-10 03:58:33,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 03:58:33,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:33,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 03:58:33,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 03:58:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:33,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:33,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:33,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:35,165 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 03:58:35,376 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 03:58:35,594 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 03:58:35,820 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 03:58:36,048 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 03:58:36,278 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 03:58:36,524 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 03:58:36,750 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 03:58:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:37,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:37,179 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:37,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:37,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1903672308, now seen corresponding path program 23 times [2021-07-10 03:58:37,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:37,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850463903] [2021-07-10 03:58:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:37,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:37,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850463903] [2021-07-10 03:58:37,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850463903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:37,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556201381] [2021-07-10 03:58:37,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:37,481 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 03:58:37,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:37,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 03:58:37,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:37,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:37,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:37,762 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:37,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:37,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:37,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:37,768 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:37,771 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:37,774 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:37,798 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:58:37,798 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:37,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:37,799 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:37,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556201381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:37,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:37,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 03:58:37,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260906568] [2021-07-10 03:58:37,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 03:58:37,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:37,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 03:58:37,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 03:58:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:37,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:37,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:37,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:37,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:38,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable214 [2021-07-10 03:58:38,878 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:38,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:38,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2047810950, now seen corresponding path program 24 times [2021-07-10 03:58:38,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:38,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209596407] [2021-07-10 03:58:38,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:39,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:39,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209596407] [2021-07-10 03:58:39,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209596407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:39,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056281236] [2021-07-10 03:58:39,138 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:39,181 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 03:58:39,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:39,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 03:58:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:39,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:39,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:39,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:39,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:39,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:39,468 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:39,469 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:39,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:39,469 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:39,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056281236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:39,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:39,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 03:58:39,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640578995] [2021-07-10 03:58:39,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 03:58:39,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:39,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 03:58:39,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 03:58:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:39,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:39,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:39,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:40,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:40,117 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash 941284984, now seen corresponding path program 25 times [2021-07-10 03:58:40,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:40,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508371012] [2021-07-10 03:58:40,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:40,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:40,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508371012] [2021-07-10 03:58:40,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508371012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:40,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239007139] [2021-07-10 03:58:40,887 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:40,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 03:58:40,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:42,189 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 03:58:42,446 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 03:58:42,680 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 03:58:42,919 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 03:58:43,170 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 03:58:43,457 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 03:58:43,682 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 03:58:43,922 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 03:58:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:44,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:44,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-10 03:58:44,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:44,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-10 03:58:44,074 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:44,098 INFO L628 ElimStorePlain]: treesize reduction 171, result has 6.0 percent of original size [2021-07-10 03:58:44,098 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 03:58:44,098 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:44,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_90 vanished before elimination [2021-07-10 03:58:44,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:44,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 03:58:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:44,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239007139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:44,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:44,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 03:58:44,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313742271] [2021-07-10 03:58:44,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 03:58:44,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:44,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 03:58:44,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 03:58:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:44,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:44,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:44,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:45,665 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-07-10 03:58:45,969 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-07-10 03:58:46,249 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 03:58:46,511 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 03:58:46,825 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 03:58:47,147 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 03:58:47,427 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 03:58:47,923 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 03:58:48,238 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 03:58:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:48,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-07-10 03:58:48,729 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:48,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:48,729 INFO L82 PathProgramCache]: Analyzing trace with hash -886021574, now seen corresponding path program 26 times [2021-07-10 03:58:48,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:48,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440604670] [2021-07-10 03:58:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:49,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:49,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440604670] [2021-07-10 03:58:49,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440604670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:49,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293368257] [2021-07-10 03:58:49,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:49,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:58:49,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 03:58:49,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:49,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:49,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:58:49,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:49,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:49,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:49,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:58:49,464 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:58:49,467 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:49,491 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:58:49,491 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:49,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:58:49,492 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:58:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:49,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293368257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:49,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:49,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 03:58:49,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811285411] [2021-07-10 03:58:49,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 03:58:49,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:49,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 03:58:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 03:58:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:49,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:49,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:50,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:58:50,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:50,795 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:50,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:50,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1059352180, now seen corresponding path program 27 times [2021-07-10 03:58:50,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:50,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98770355] [2021-07-10 03:58:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:51,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:51,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98770355] [2021-07-10 03:58:51,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98770355] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:51,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29501136] [2021-07-10 03:58:51,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:51,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 03:58:51,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:51,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 03:58:51,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:51,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:51,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:58:51,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:51,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:58:51,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:51,458 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:58:51,458 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:51,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:51,458 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:58:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:51,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29501136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:51,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:51,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 03:58:51,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616489641] [2021-07-10 03:58:51,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 03:58:51,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:51,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 03:58:51,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 03:58:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:51,490 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:51,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:58:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:58:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:58:52,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable259 [2021-07-10 03:58:52,185 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:58:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:58:52,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1518735782, now seen corresponding path program 28 times [2021-07-10 03:58:52,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:58:52,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307817675] [2021-07-10 03:58:52,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:58:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:58:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:53,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:58:53,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307817675] [2021-07-10 03:58:53,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307817675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:53,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741597421] [2021-07-10 03:58:53,052 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:58:53,102 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:58:53,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:58:53,109 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 03:58:53,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:58:54,686 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:54,939 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:55,229 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 03:58:55,484 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:55,745 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:56,007 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:56,312 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 03:58:56,584 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 03:58:56,885 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 03:58:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:56,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:57,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-10 03:58:57,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:58:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:58:57,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-10 03:58:57,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:58:57,068 INFO L628 ElimStorePlain]: treesize reduction 172, result has 6.0 percent of original size [2021-07-10 03:58:57,068 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:58:57,068 INFO L518 ElimStorePlain]: Eliminatee v_prenex_101 vanished before elimination [2021-07-10 03:58:57,068 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-07-10 03:58:57,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:58:57,069 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-10 03:58:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:58:57,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741597421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:58:57,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:58:57,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-07-10 03:58:57,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464347185] [2021-07-10 03:58:57,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-10 03:58:57,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:58:57,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-10 03:58:57,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1872, Unknown=0, NotChecked=0, Total=1980 [2021-07-10 03:58:57,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:57,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:58:57,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:58:57,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:58:57,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:58:58,687 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-07-10 03:58:59,046 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:58:59,421 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:58:59,813 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:59:00,169 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:59:00,589 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:59:00,955 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 03:59:01,329 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 03:59:01,702 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 03:59:02,073 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:02,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:02,565 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:02,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:02,565 INFO L82 PathProgramCache]: Analyzing trace with hash -164916020, now seen corresponding path program 29 times [2021-07-10 03:59:02,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:02,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243285915] [2021-07-10 03:59:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:02,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:02,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243285915] [2021-07-10 03:59:02,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243285915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:02,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302029331] [2021-07-10 03:59:02,926 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:02,975 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 03:59:02,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:02,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 03:59:02,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:03,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:03,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:59:03,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:03,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:03,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:03,384 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:59:03,387 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:03,389 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:59:03,391 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:03,411 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 03:59:03,411 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:03,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:59:03,411 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:59:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:03,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302029331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:03,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:03,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 03:59:03,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91566828] [2021-07-10 03:59:03,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 03:59:03,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:03,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 03:59:03,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 03:59:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:03,453 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:03,453 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:03,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:04,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:04,882 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:04,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1243197510, now seen corresponding path program 30 times [2021-07-10 03:59:04,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:04,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157550333] [2021-07-10 03:59:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:05,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:05,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157550333] [2021-07-10 03:59:05,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157550333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:05,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775947968] [2021-07-10 03:59:05,226 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:05,272 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 03:59:05,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:05,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 03:59:05,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:05,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:05,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:59:05,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:05,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:05,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:05,650 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:59:05,650 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:05,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:59:05,651 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:59:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:05,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775947968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:05,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:05,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 03:59:05,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583650241] [2021-07-10 03:59:05,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 03:59:05,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:05,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 03:59:05,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 03:59:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:05,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:05,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:05,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:06,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable303 [2021-07-10 03:59:06,428 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:06,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash 114497848, now seen corresponding path program 31 times [2021-07-10 03:59:06,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:06,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006445206] [2021-07-10 03:59:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:07,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:07,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006445206] [2021-07-10 03:59:07,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006445206] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:07,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292343945] [2021-07-10 03:59:07,729 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:07,776 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-10 03:59:07,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:09,577 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:09,920 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 03:59:10,233 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:10,556 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:10,959 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 03:59:11,290 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:11,630 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:12,017 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 03:59:12,345 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:12,684 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 03:59:12,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:12,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-10 03:59:12,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:12,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 91 [2021-07-10 03:59:12,871 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:12,884 INFO L628 ElimStorePlain]: treesize reduction 193, result has 5.4 percent of original size [2021-07-10 03:59:12,884 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:12,884 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-10 03:59:12,884 INFO L518 ElimStorePlain]: Eliminatee v_prenex_113 vanished before elimination [2021-07-10 03:59:12,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:59:12,885 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-10 03:59:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:12,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292343945] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:12,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:12,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-10 03:59:12,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193484802] [2021-07-10 03:59:12,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-10 03:59:12,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:12,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-10 03:59:12,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-10 03:59:12,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:12,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:12,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:14,505 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-10 03:59:14,836 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-10 03:59:15,329 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-10 03:59:15,838 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-10 03:59:16,400 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-10 03:59:17,003 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 03:59:17,601 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 03:59:18,191 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 03:59:18,829 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2021-07-10 03:59:19,437 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 03:59:20,387 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 03:59:21,015 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 03:59:21,675 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-10 03:59:22,284 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-10 03:59:22,621 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-10 03:59:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:22,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable305 [2021-07-10 03:59:22,994 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:22,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:22,994 INFO L82 PathProgramCache]: Analyzing trace with hash -746619014, now seen corresponding path program 32 times [2021-07-10 03:59:22,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:22,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962007899] [2021-07-10 03:59:22,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:23,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:23,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962007899] [2021-07-10 03:59:23,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962007899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:23,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754330697] [2021-07-10 03:59:23,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:23,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:59:23,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:23,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 03:59:23,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:23,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:59:23,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:23,908 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:23,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:59:23,913 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 03:59:23,916 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:23,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:23,919 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:23,921 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:23,944 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 03:59:23,944 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:23,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:59:23,944 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:59:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:23,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754330697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:23,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:23,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 03:59:23,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871042456] [2021-07-10 03:59:23,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 03:59:23,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:23,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 03:59:23,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 03:59:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:23,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:23,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:23,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:25,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable343 [2021-07-10 03:59:25,617 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash 186393164, now seen corresponding path program 33 times [2021-07-10 03:59:25,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:25,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401132710] [2021-07-10 03:59:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:26,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:26,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401132710] [2021-07-10 03:59:26,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401132710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:26,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836216276] [2021-07-10 03:59:26,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:26,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 03:59:26,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:26,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 03:59:26,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:26,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:26,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:59:26,496 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:26,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:26,498 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:26,512 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:59:26,512 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:26,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:59:26,513 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:59:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:26,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836216276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:26,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:26,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 03:59:26,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628699406] [2021-07-10 03:59:26,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 03:59:26,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:26,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 03:59:26,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 03:59:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:26,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:26,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:26,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:27,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:27,465 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:27,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:27,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1482135782, now seen corresponding path program 34 times [2021-07-10 03:59:27,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:27,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617964790] [2021-07-10 03:59:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:28,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:28,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617964790] [2021-07-10 03:59:28,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617964790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:28,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099113343] [2021-07-10 03:59:28,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:28,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:59:28,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:28,529 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 03:59:28,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:30,546 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:30,865 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:31,240 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 03:59:31,573 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:31,941 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 03:59:32,343 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 03:59:32,680 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:33,073 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 03:59:33,480 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:33,814 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 03:59:34,254 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 03:59:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-10 03:59:34,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:34,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-10 03:59:34,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:34,498 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-10 03:59:34,498 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:34,498 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-07-10 03:59:34,498 INFO L518 ElimStorePlain]: Eliminatee v_prenex_128 vanished before elimination [2021-07-10 03:59:34,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:59:34,498 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 03:59:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:34,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099113343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:34,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:34,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-10 03:59:34,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899805216] [2021-07-10 03:59:34,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 03:59:34,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:34,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 03:59:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 03:59:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:34,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:34,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:34,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:36,945 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-10 03:59:37,303 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 03:59:37,664 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 03:59:38,039 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 03:59:38,503 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 03:59:38,892 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 03:59:39,278 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:39,686 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:40,059 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:40,437 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:40,806 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:41,192 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 03:59:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:41,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:41,755 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1299516020, now seen corresponding path program 35 times [2021-07-10 03:59:41,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:41,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152513834] [2021-07-10 03:59:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:42,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:42,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152513834] [2021-07-10 03:59:42,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152513834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:42,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846861828] [2021-07-10 03:59:42,184 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:42,237 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 03:59:42,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:42,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 03:59:42,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:42,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:59:42,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 03:59:42,738 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:42,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:42,741 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:42,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 03:59:42,744 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:42,747 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 03:59:42,750 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:42,773 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 03:59:42,773 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:42,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 03:59:42,774 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 03:59:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:42,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846861828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:42,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:42,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 03:59:42,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012768429] [2021-07-10 03:59:42,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 03:59:42,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:42,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 03:59:42,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 03:59:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:42,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:42,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:42,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 03:59:44,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable391 [2021-07-10 03:59:44,565 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:44,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1854057722, now seen corresponding path program 36 times [2021-07-10 03:59:44,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:44,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077098811] [2021-07-10 03:59:44,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:44,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:44,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077098811] [2021-07-10 03:59:44,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077098811] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:44,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532746969] [2021-07-10 03:59:44,994 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:45,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 03:59:45,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:59:45,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 03:59:45,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:45,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:45,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 03:59:45,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:45,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 03:59:45,535 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:45,549 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 03:59:45,549 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:45,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:59:45,550 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 03:59:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:45,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532746969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:45,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:45,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 03:59:45,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887423458] [2021-07-10 03:59:45,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 03:59:45,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:45,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 03:59:45,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 03:59:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:45,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:45,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 03:59:45,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 03:59:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 03:59:46,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable398 [2021-07-10 03:59:46,623 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:59:46,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:59:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1640129528, now seen corresponding path program 37 times [2021-07-10 03:59:46,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:59:46,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262661233] [2021-07-10 03:59:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:59:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:48,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:59:48,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262661233] [2021-07-10 03:59:48,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262661233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:48,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557691029] [2021-07-10 03:59:48,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:59:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:59:48,223 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 03:59:48,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:59:50,682 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:51,108 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:51,519 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:51,947 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 03:59:52,358 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 03:59:52,813 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:53,245 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:53,665 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 03:59:54,130 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:54,561 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 03:59:55,033 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:55,503 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 03:59:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:55,701 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-07-10 03:59:55,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 95 [2021-07-10 03:59:55,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-10 03:59:55,770 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:55,870 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-10 03:59:55,871 INFO L628 ElimStorePlain]: treesize reduction 190, result has 48.8 percent of original size [2021-07-10 03:59:55,871 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 03:59:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 03:59:55,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 105 [2021-07-10 03:59:55,929 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:55,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:59:55,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 03:59:55,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-10 03:59:55,942 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 03:59:55,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:59:55,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 03:59:55,952 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:653, output treesize:22 [2021-07-10 03:59:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:59:56,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557691029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:59:56,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:59:56,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-07-10 03:59:56,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083161062] [2021-07-10 03:59:56,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-10 03:59:56,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:59:56,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-10 03:59:56,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=3293, Unknown=0, NotChecked=0, Total=3422 [2021-07-10 03:59:56,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:56,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:59:56,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:59:56,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 03:59:56,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:59:58,237 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-07-10 03:59:58,606 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-07-10 03:59:59,082 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 156 [2021-07-10 03:59:59,539 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-10 04:00:00,076 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 171 [2021-07-10 04:00:00,646 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 04:00:01,243 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 131 [2021-07-10 04:00:01,825 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-10 04:00:02,384 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-10 04:00:02,972 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 04:00:03,539 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 04:00:04,090 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 04:00:04,647 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-10 04:00:05,211 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 04:00:05,840 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-10 04:00:06,393 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 130 [2021-07-10 04:00:06,855 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:07,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-10 04:00:07,279 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:07,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:07,280 INFO L82 PathProgramCache]: Analyzing trace with hash -696677190, now seen corresponding path program 38 times [2021-07-10 04:00:07,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:07,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302921141] [2021-07-10 04:00:07,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:07,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:07,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302921141] [2021-07-10 04:00:07,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302921141] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:07,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444144741] [2021-07-10 04:00:07,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:07,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 04:00:07,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:00:07,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 04:00:07,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:08,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:00:08,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:00:08,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 04:00:08,450 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:08,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 04:00:08,454 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:08,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:00:08,457 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 04:00:08,459 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:08,481 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 04:00:08,481 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:08,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 04:00:08,481 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 04:00:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:08,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444144741] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:08,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:08,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 04:00:08,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418182399] [2021-07-10 04:00:08,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 04:00:08,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:08,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 04:00:08,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 04:00:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:08,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:08,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:08,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:08,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:10,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable447,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:10,604 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:10,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:10,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1720138996, now seen corresponding path program 39 times [2021-07-10 04:00:10,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:10,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785640550] [2021-07-10 04:00:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:11,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:11,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785640550] [2021-07-10 04:00:11,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785640550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:11,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803688195] [2021-07-10 04:00:11,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:11,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 04:00:11,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:00:11,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 04:00:11,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:11,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:11,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:00:11,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:11,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 04:00:11,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:11,737 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 04:00:11,737 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:11,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:00:11,738 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 04:00:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:11,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803688195] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:11,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:11,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 04:00:11,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770490530] [2021-07-10 04:00:11,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 04:00:11,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:11,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 04:00:11,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 04:00:11,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:11,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:11,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:11,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:11,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:12,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable454 [2021-07-10 04:00:12,885 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1785786330, now seen corresponding path program 40 times [2021-07-10 04:00:12,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:12,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081851655] [2021-07-10 04:00:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:14,079 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:14,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081851655] [2021-07-10 04:00:14,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081851655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:14,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002341390] [2021-07-10 04:00:14,079 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:14,134 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 04:00:14,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:00:14,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 04:00:14,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:16,894 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:17,401 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:17,891 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:18,370 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:18,809 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:19,353 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:19,809 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:20,262 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:20,686 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:21,213 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:21,889 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 04:00:22,337 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:22,816 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 04:00:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:23,055 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-07-10 04:00:23,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-10 04:00:23,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:23,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:23,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 112 [2021-07-10 04:00:23,155 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:23,171 INFO L628 ElimStorePlain]: treesize reduction 216, result has 4.8 percent of original size [2021-07-10 04:00:23,171 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:23,171 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-07-10 04:00:23,171 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-07-10 04:00:23,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:00:23,172 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 04:00:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:23,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002341390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:23,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:23,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 61 [2021-07-10 04:00:23,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654430332] [2021-07-10 04:00:23,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 04:00:23,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:23,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 04:00:23,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=3512, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 04:00:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:23,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:23,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:26,358 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-10 04:00:27,114 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-10 04:00:27,739 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2021-07-10 04:00:28,380 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:29,668 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:30,386 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:31,061 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:31,732 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:32,475 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:33,189 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:33,900 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:34,630 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:35,419 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:36,134 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:36,785 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 04:00:37,165 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-10 04:00:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:37,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:37,579 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash 474113612, now seen corresponding path program 41 times [2021-07-10 04:00:37,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:37,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472178228] [2021-07-10 04:00:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:38,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:38,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472178228] [2021-07-10 04:00:38,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472178228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:38,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223802910] [2021-07-10 04:00:38,145 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:38,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 04:00:38,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:00:38,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 04:00:38,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:38,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 04:00:38,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:38,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:00:38,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 04:00:38,891 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:00:38,894 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:38,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 04:00:38,898 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:00:38,905 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:38,930 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 04:00:38,930 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:38,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 04:00:38,931 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 04:00:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:38,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223802910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:38,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:38,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 04:00:38,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740867052] [2021-07-10 04:00:38,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 04:00:38,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:38,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 04:00:38,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 04:00:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:38,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:38,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:38,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:38,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:00:41,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:41,445 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:41,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1188431302, now seen corresponding path program 42 times [2021-07-10 04:00:41,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:41,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199045935] [2021-07-10 04:00:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:42,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:42,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199045935] [2021-07-10 04:00:42,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199045935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:42,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584434190] [2021-07-10 04:00:42,088 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:42,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 04:00:42,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:00:42,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 04:00:42,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:42,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:42,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 04:00:42,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:42,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:00:42,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:42,803 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 04:00:42,804 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:42,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:00:42,804 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 04:00:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:42,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584434190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:42,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:42,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 04:00:42,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545992613] [2021-07-10 04:00:42,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 04:00:42,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:42,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 04:00:42,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 04:00:42,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:42,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:42,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:00:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:00:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:44,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable507 [2021-07-10 04:00:44,257 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:00:44,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:00:44,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1812250296, now seen corresponding path program 43 times [2021-07-10 04:00:44,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:00:44,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707365544] [2021-07-10 04:00:44,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:00:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:45,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:00:45,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707365544] [2021-07-10 04:00:45,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707365544] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:45,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103589906] [2021-07-10 04:00:45,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:00:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:00:45,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 04:00:45,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:00:48,745 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-10 04:00:49,224 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:49,738 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:50,215 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:50,756 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:51,291 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:51,846 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:52,330 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:52,884 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:53,459 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:54,000 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:54,542 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 04:00:55,028 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:55,702 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:56,191 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 04:00:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:56,423 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-07-10 04:00:56,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-10 04:00:56,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:00:56,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:00:56,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-10 04:00:56,513 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:00:56,529 INFO L628 ElimStorePlain]: treesize reduction 237, result has 4.4 percent of original size [2021-07-10 04:00:56,529 INFO L518 ElimStorePlain]: Eliminatee v_prenex_182 vanished before elimination [2021-07-10 04:00:56,530 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-10 04:00:56,530 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:00:56,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:00:56,530 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-10 04:00:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:00:56,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103589906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:00:56,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:00:56,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-10 04:00:56,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795996922] [2021-07-10 04:00:56,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 04:00:56,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:00:56,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 04:00:56,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 04:00:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:00:56,624 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:00:56,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:00:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:00:56,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:00,213 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-07-10 04:01:01,050 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2021-07-10 04:01:01,762 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 110 [2021-07-10 04:01:02,616 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:03,386 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:04,150 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:04,941 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:05,743 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:06,549 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:07,407 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:08,294 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:09,165 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:09,922 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:10,699 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:11,472 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 04:01:12,251 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 04:01:12,641 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:13,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:13,093 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:01:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:01:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash 344099322, now seen corresponding path program 44 times [2021-07-10 04:01:13,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:01:13,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922978036] [2021-07-10 04:01:13,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:01:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:01:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:13,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:01:13,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922978036] [2021-07-10 04:01:13,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922978036] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:13,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246195347] [2021-07-10 04:01:13,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:13,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 04:01:13,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:01:13,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 04:01:13,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:01:14,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:14,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 04:01:14,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:01:14,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 04:01:14,584 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 04:01:14,586 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:14,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:01:14,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:01:14,592 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:14,612 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 04:01:14,612 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:01:14,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 04:01:14,613 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 04:01:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:14,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246195347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:14,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:01:14,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 04:01:14,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460192161] [2021-07-10 04:01:14,672 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 04:01:14,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:01:14,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 04:01:14,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 04:01:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:14,673 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:01:14,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:14,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:17,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable556 [2021-07-10 04:01:17,402 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:01:17,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:01:17,402 INFO L82 PathProgramCache]: Analyzing trace with hash 344814540, now seen corresponding path program 45 times [2021-07-10 04:01:17,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:01:17,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746254977] [2021-07-10 04:01:17,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:01:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:01:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:18,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:01:18,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746254977] [2021-07-10 04:01:18,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746254977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:18,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50991925] [2021-07-10 04:01:18,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:18,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 04:01:18,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:01:18,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 04:01:18,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:01:18,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:18,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:01:18,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:18,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 04:01:18,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:18,853 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 04:01:18,859 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:01:18,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:01:18,860 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 04:01:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:18,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50991925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:18,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:01:18,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 04:01:18,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650530804] [2021-07-10 04:01:18,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 04:01:18,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:01:18,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 04:01:18,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 04:01:18,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:18,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:01:18,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:18,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:18,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:01:20,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable563,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:20,435 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:01:20,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:01:20,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2098231142, now seen corresponding path program 46 times [2021-07-10 04:01:20,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:01:20,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11627020] [2021-07-10 04:01:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:01:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:01:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:22,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:01:22,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11627020] [2021-07-10 04:01:22,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11627020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:22,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080566207] [2021-07-10 04:01:22,420 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:22,478 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 04:01:22,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:01:22,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 04:01:22,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:01:25,521 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-10 04:01:26,106 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:26,644 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:27,255 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:27,824 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:28,439 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:28,967 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:29,635 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:30,261 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:30,786 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:31,422 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:32,030 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:32,637 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:33,282 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 04:01:33,793 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:34,344 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 04:01:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:01:34,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-10 04:01:34,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:34,563 INFO L628 ElimStorePlain]: treesize reduction 415, result has 2.6 percent of original size [2021-07-10 04:01:34,564 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 04:01:34,564 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:01:34,564 INFO L518 ElimStorePlain]: Eliminatee v_prenex_205 vanished before elimination [2021-07-10 04:01:34,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:01:34,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 04:01:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:34,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080566207] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:34,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:01:34,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-10 04:01:34,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059209867] [2021-07-10 04:01:34,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-10 04:01:34,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:01:34,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-10 04:01:34,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=4524, Unknown=0, NotChecked=0, Total=4692 [2021-07-10 04:01:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:34,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:01:34,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 69 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:34,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:34,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:01:34,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:38,391 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-07-10 04:01:39,591 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 112 [2021-07-10 04:01:40,692 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:41,921 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:43,069 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:44,168 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:45,267 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:46,358 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:47,485 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:48,676 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:49,831 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:50,997 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:52,086 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:53,187 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 04:01:54,343 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:55,455 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:56,579 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 04:01:57,109 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-10 04:01:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:01:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:57,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable565 [2021-07-10 04:01:57,539 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:01:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:01:57,539 INFO L82 PathProgramCache]: Analyzing trace with hash 619570956, now seen corresponding path program 47 times [2021-07-10 04:01:57,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:01:57,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192157930] [2021-07-10 04:01:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:01:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:01:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:58,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:01:58,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192157930] [2021-07-10 04:01:58,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192157930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:58,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894802364] [2021-07-10 04:01:58,302 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:01:58,368 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 04:01:58,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:01:58,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 04:01:58,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:01:59,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:01:59,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:59,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 04:01:59,231 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 04:01:59,234 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:01:59,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:01:59,238 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 04:01:59,241 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 04:01:59,244 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 04:01:59,269 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 04:01:59,270 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:01:59,270 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 04:01:59,270 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 04:01:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:01:59,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894802364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:01:59,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:01:59,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 04:01:59,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472398634] [2021-07-10 04:01:59,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 04:01:59,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:01:59,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 04:01:59,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 04:01:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:01:59,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:01:59,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:01:59,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:01:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:02:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:02:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:02:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:02:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 04:02:02,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable612 [2021-07-10 04:02:02,418 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:02:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:02:02,419 INFO L82 PathProgramCache]: Analyzing trace with hash 641742714, now seen corresponding path program 48 times [2021-07-10 04:02:02,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:02:02,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776734522] [2021-07-10 04:02:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:02:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:02:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:02:03,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:02:03,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776734522] [2021-07-10 04:02:03,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776734522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:02:03,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427467461] [2021-07-10 04:02:03,192 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:02:03,266 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 04:02:03,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:02:03,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 04:02:03,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:02:04,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:02:04,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 04:02:04,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:02:04,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 04:02:04,088 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 04:02:04,103 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 04:02:04,103 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 04:02:04,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:02:04,104 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 04:02:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:02:04,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427467461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:02:04,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:02:04,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 04:02:04,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795910824] [2021-07-10 04:02:04,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 04:02:04,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:02:04,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 04:02:04,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 04:02:04,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:02:04,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:02:04,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:04,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 04:02:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 04:02:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 04:02:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 04:02:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 04:02:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:02:05,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable618,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:02:05,704 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:02:05,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:02:05,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1581897352, now seen corresponding path program 49 times [2021-07-10 04:02:05,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:02:05,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682464783] [2021-07-10 04:02:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:02:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:02:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:02:07,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:02:07,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682464783] [2021-07-10 04:02:07,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682464783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:02:07,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846729566] [2021-07-10 04:02:07,695 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:02:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:02:07,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 04:02:07,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:02:10,236 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 04:02:11,349 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 04:02:12,080 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:12,763 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:13,493 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:14,199 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:14,970 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:15,611 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 04:02:16,360 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:17,125 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:17,844 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:18,567 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:19,194 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 04:02:19,901 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:20,658 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 04:02:21,067 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 04:02:21,069 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 04:02:21,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-07-10 04:02:21,270 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 04:02:21,273 INFO L168 Benchmark]: Toolchain (without parser) took 270094.10 ms. Allocated memory was 196.1 MB in the beginning and 407.9 MB in the end (delta: 211.8 MB). Free memory was 176.1 MB in the beginning and 140.5 MB in the end (delta: 35.6 MB). Peak memory consumption was 248.5 MB. Max. memory is 8.0 GB. [2021-07-10 04:02:21,273 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 196.1 MB. Free memory is still 177.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 04:02:21,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 196.1 MB. Free memory was 176.0 MB in the beginning and 174.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 04:02:21,273 INFO L168 Benchmark]: Boogie Preprocessor took 22.33 ms. Allocated memory is still 196.1 MB. Free memory was 174.4 MB in the beginning and 173.5 MB in the end (delta: 935.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 04:02:21,273 INFO L168 Benchmark]: RCFGBuilder took 280.86 ms. Allocated memory is still 196.1 MB. Free memory was 173.4 MB in the beginning and 156.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-10 04:02:21,273 INFO L168 Benchmark]: TraceAbstraction took 269761.56 ms. Allocated memory was 196.1 MB in the beginning and 407.9 MB in the end (delta: 211.8 MB). Free memory was 155.8 MB in the beginning and 140.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 228.5 MB. Max. memory is 8.0 GB. [2021-07-10 04:02:21,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 196.1 MB. Free memory is still 177.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 196.1 MB. Free memory was 176.0 MB in the beginning and 174.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.33 ms. Allocated memory is still 196.1 MB. Free memory was 174.4 MB in the beginning and 173.5 MB in the end (delta: 935.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 280.86 ms. Allocated memory is still 196.1 MB. Free memory was 173.4 MB in the beginning and 156.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 269761.56 ms. Allocated memory was 196.1 MB in the beginning and 407.9 MB in the end (delta: 211.8 MB). Free memory was 155.8 MB in the beginning and 140.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 228.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...