/usr/bin/java -Xmx16000000000 -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-DelaySleep-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 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 09:44:00,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:44:00,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:44:01,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 09:44:01,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 09:44:01,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 09:44:01,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 09:44:01,036 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-DelaySleep-NoLbe.epf [2021-06-06 09:44:01,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:44:01,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:44:01,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:44:01,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:44:01,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:44:01,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:44:01,054 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:44:01,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:44:01,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:44:01,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:44:01,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:44:01,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:44:01,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:44:01,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:44:01,058 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:44:01,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:44:01,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:44:01,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:44:01,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:44:01,379 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:44:01,380 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:44:01,381 INFO L432 ainManager$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 [2021-06-06 09:44:01,381 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-06-06 09:44:01,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:44:01,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:44:01,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:44:01,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:44:01,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:44:01,429 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,437 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:44:01,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:44:01,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:44:01,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:44:01,453 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,454 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,460 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,461 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,463 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,465 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,466 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 06.06 09:44:01" (1/1) ... [2021-06-06 09:44:01,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:44:01,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:44:01,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:44:01,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:44:01,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:44:01" (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 [2021-06-06 09:44:01,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 09:44:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 09:44:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 09:44:01,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 09:44:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 09:44:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 09:44:01,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:44:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:44:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:44:01,540 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 09:44:01,848 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:44:01,848 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 09:44:01,849 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 09:44:01,850 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 09:44:01,851 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:44:01 BoogieIcfgContainer [2021-06-06 09:44:01,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:44:01,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:44:01,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:44:01,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:44:01,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:44:01" (1/2) ... [2021-06-06 09:44:01,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601fdd9e and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:44:01, skipping insertion in model container [2021-06-06 09:44:01,856 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 06.06 09:44:01" (2/2) ... [2021-06-06 09:44:01,857 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-06-06 09:44:01,862 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:44:01,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:44:01,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:44:01,863 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:44:01,893 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 09:44:01,911 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 [2021-06-06 09:44:01,956 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:44:01,957 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:44:01,957 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:44:01,957 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:44:01,957 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:44:01,957 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:44:01,957 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:44:01,957 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:44:01,979 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:01,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1240259128, now seen corresponding path program 1 times [2021-06-06 09:44:01,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:01,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173272836] [2021-06-06 09:44:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:02,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:02,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173272836] [2021-06-06 09:44:02,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173272836] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:44:02,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:44:02,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 09:44:02,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732210943] [2021-06-06 09:44:02,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 09:44:02,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:02,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 09:44:02,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 09:44:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:02,155 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) [2021-06-06 09:44:02,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:02,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:44:02,188 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:02,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:02,189 INFO L82 PathProgramCache]: Analyzing trace with hash 173413410, now seen corresponding path program 1 times [2021-06-06 09:44:02,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:02,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320719679] [2021-06-06 09:44:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:02,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:02,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320719679] [2021-06-06 09:44:02,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320719679] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:44:02,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:44:02,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 09:44:02,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500955424] [2021-06-06 09:44:02,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 09:44:02,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:02,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 09:44:02,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 09:44:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:02,243 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) [2021-06-06 09:44:02,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:02,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:02,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 09:44:02,300 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:02,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1690196206, now seen corresponding path program 1 times [2021-06-06 09:44:02,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:02,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067030498] [2021-06-06 09:44:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:02,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:02,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067030498] [2021-06-06 09:44:02,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067030498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:02,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448178807] [2021-06-06 09:44:02,360 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 [2021-06-06 09:44:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:02,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 09:44:02,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:02,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448178807] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:02,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:02,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-06 09:44:02,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853435835] [2021-06-06 09:44:02,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 09:44:02,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 09:44:02,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 09:44:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,553 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:02,553 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) [2021-06-06 09:44:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:02,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:02,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:02,824 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:02,825 INFO L82 PathProgramCache]: Analyzing trace with hash -889734120, now seen corresponding path program 1 times [2021-06-06 09:44:02,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:02,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662586208] [2021-06-06 09:44:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:03,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:03,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662586208] [2021-06-06 09:44:03,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662586208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:03,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79334654] [2021-06-06 09:44:03,337 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 [2021-06-06 09:44:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:03,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 09:44:03,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:03,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:03,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:03,934 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 [2021-06-06 09:44:03,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:03,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:03,941 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 25 treesize of output 19 [2021-06-06 09:44:03,943 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:03,960 INFO L628 ElimStorePlain]: treesize reduction 73, result has 13.1 percent of original size [2021-06-06 09:44:03,961 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:03,961 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-06 09:44:03,961 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-06 09:44:03,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:03,962 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-06-06 09:44:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:03,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79334654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:03,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:03,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-06 09:44:03,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778598135] [2021-06-06 09:44:03,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:44:03,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:03,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:44:03,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:44:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:03,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:03,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2021-06-06 09:44:03,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:03,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:03,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:04,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:04,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:04,405 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:04,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1845213230, now seen corresponding path program 2 times [2021-06-06 09:44:04,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:04,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205408795] [2021-06-06 09:44:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:04,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:04,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205408795] [2021-06-06 09:44:04,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205408795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:04,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535823334] [2021-06-06 09:44:04,491 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 [2021-06-06 09:44:04,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:44:04,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:04,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 09:44:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:04,627 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 [2021-06-06 09:44:04,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:04,633 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 [2021-06-06 09:44:04,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:04,639 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 [2021-06-06 09:44:04,640 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,644 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 [2021-06-06 09:44:04,645 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:04,649 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,652 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 [2021-06-06 09:44:04,653 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:04,681 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-06 09:44:04,681 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:04,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:04,683 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:04,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535823334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:04,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:04,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 09:44:04,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022615190] [2021-06-06 09:44:04,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:44:04,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:04,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:44:04,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:44:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:04,717 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:04,717 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) [2021-06-06 09:44:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:05,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:05,125 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 512430818, now seen corresponding path program 3 times [2021-06-06 09:44:05,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:05,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417305447] [2021-06-06 09:44:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:05,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:05,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417305447] [2021-06-06 09:44:05,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417305447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:05,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45760744] [2021-06-06 09:44:05,217 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 [2021-06-06 09:44:05,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 09:44:05,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:05,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 09:44:05,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:05,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:05,377 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 [2021-06-06 09:44:05,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:05,382 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 [2021-06-06 09:44:05,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:05,400 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:05,401 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:05,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:05,402 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:05,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45760744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:05,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:05,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 09:44:05,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730739093] [2021-06-06 09:44:05,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:44:05,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:05,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:44:05,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:44:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:05,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:05,429 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) [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:05,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-06 09:44:05,769 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:05,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1327773112, now seen corresponding path program 4 times [2021-06-06 09:44:05,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:05,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342756574] [2021-06-06 09:44:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:06,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:06,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342756574] [2021-06-06 09:44:06,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342756574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:06,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824011756] [2021-06-06 09:44:06,270 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 [2021-06-06 09:44:06,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:44:06,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:06,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 09:44:06,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:06,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:06,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:06,837 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 [2021-06-06 09:44:06,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:06,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:06,847 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 26 treesize of output 18 [2021-06-06 09:44:06,848 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:06,897 INFO L628 ElimStorePlain]: treesize reduction 73, result has 45.1 percent of original size [2021-06-06 09:44:06,897 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:06,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:06,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:06,902 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 [2021-06-06 09:44:06,905 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:06,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:44:06,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:06,921 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 [2021-06-06 09:44:06,924 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 09:44:06,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:44:06,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:44:06,939 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:169, output treesize:22 [2021-06-06 09:44:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:06,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824011756] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:06,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:06,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-06-06 09:44:06,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603030040] [2021-06-06 09:44:06,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 09:44:06,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:06,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 09:44:06,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-06-06 09:44:06,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:06,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:06,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 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) [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:06,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:07,537 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-06 09:44:07,768 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-06-06 09:44:07,939 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:08,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:08,188 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:08,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:08,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1755447202, now seen corresponding path program 5 times [2021-06-06 09:44:08,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:08,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643607524] [2021-06-06 09:44:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:08,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:08,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643607524] [2021-06-06 09:44:08,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643607524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:08,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009221042] [2021-06-06 09:44:08,303 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 [2021-06-06 09:44:08,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 09:44:08,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:08,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 09:44:08,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:08,466 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 [2021-06-06 09:44:08,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:08,472 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 [2021-06-06 09:44:08,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,476 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 [2021-06-06 09:44:08,477 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:08,480 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 [2021-06-06 09:44:08,481 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:08,484 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,487 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 [2021-06-06 09:44:08,488 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:08,512 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-06 09:44:08,513 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:08,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:08,513 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:08,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009221042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:08,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:08,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-06 09:44:08,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807500156] [2021-06-06 09:44:08,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 09:44:08,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:08,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 09:44:08,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-06 09:44:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:08,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:08,546 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) [2021-06-06 09:44:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:08,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:09,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-06 09:44:09,066 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:09,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:09,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1827968658, now seen corresponding path program 6 times [2021-06-06 09:44:09,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:09,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372186424] [2021-06-06 09:44:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:09,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:09,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372186424] [2021-06-06 09:44:09,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372186424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:09,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901810574] [2021-06-06 09:44:09,168 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 [2021-06-06 09:44:09,201 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 09:44:09,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:09,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 09:44:09,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:09,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:09,295 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 [2021-06-06 09:44:09,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:09,299 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 [2021-06-06 09:44:09,300 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:09,318 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:09,318 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:09,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:09,319 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:09,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901810574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:09,342 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:09,342 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-06 09:44:09,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030661011] [2021-06-06 09:44:09,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 09:44:09,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:09,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 09:44:09,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-06 09:44:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:09,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:09,343 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) [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:09,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-06-06 09:44:09,713 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash 799194264, now seen corresponding path program 7 times [2021-06-06 09:44:09,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:09,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051767429] [2021-06-06 09:44:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:10,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:10,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051767429] [2021-06-06 09:44:10,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051767429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:10,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148016606] [2021-06-06 09:44:10,044 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 [2021-06-06 09:44:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:10,081 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 09:44:10,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:10,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:10,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:10,748 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 [2021-06-06 09:44:10,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:10,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:10,759 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 [2021-06-06 09:44:10,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:10,776 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-06-06 09:44:10,776 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-06 09:44:10,776 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:10,776 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-06 09:44:10,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:10,777 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-06-06 09:44:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:10,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148016606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:10,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:10,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 09:44:10,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382426159] [2021-06-06 09:44:10,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 09:44:10,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:10,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 09:44:10,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-06-06 09:44:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:10,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:10,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:10,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:11,446 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-06 09:44:11,588 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:44:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:12,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:12,022 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1028040878, now seen corresponding path program 8 times [2021-06-06 09:44:12,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:12,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717326400] [2021-06-06 09:44:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:12,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:12,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717326400] [2021-06-06 09:44:12,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717326400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:12,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321127225] [2021-06-06 09:44:12,132 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 [2021-06-06 09:44:12,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:44:12,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:12,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 09:44:12,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:12,304 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 [2021-06-06 09:44:12,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:12,309 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 [2021-06-06 09:44:12,310 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,312 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 [2021-06-06 09:44:12,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:12,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:12,318 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 [2021-06-06 09:44:12,319 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:12,321 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:12,341 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-06 09:44:12,342 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:12,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:12,342 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:12,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321127225] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:12,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:12,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-06 09:44:12,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281210119] [2021-06-06 09:44:12,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 09:44:12,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:12,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 09:44:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-06 09:44:12,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:12,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:12,375 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) [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:13,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-06 09:44:13,077 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:13,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1220124258, now seen corresponding path program 9 times [2021-06-06 09:44:13,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:13,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328282063] [2021-06-06 09:44:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:13,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:13,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328282063] [2021-06-06 09:44:13,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328282063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:13,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560663082] [2021-06-06 09:44:13,228 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 [2021-06-06 09:44:13,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:44:13,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:13,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 09:44:13,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:13,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:13,394 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 [2021-06-06 09:44:13,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:13,402 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 [2021-06-06 09:44:13,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:13,422 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:13,422 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:13,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:13,423 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:13,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560663082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:13,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:13,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-06 09:44:13,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019320473] [2021-06-06 09:44:13,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 09:44:13,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:13,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 09:44:13,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-06 09:44:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:13,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:13,446 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) [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:13,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-06 09:44:13,825 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash -864112952, now seen corresponding path program 10 times [2021-06-06 09:44:13,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:13,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91778776] [2021-06-06 09:44:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:14,205 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2021-06-06 09:44:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:14,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:14,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91778776] [2021-06-06 09:44:14,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91778776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:14,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76647497] [2021-06-06 09:44:14,496 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 [2021-06-06 09:44:14,531 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:44:14,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:14,532 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 09:44:14,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:15,587 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 [2021-06-06 09:44:15,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:15,601 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 [2021-06-06 09:44:15,604 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:15,622 INFO L628 ElimStorePlain]: treesize reduction 106, result has 9.4 percent of original size [2021-06-06 09:44:15,622 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:15,623 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-06-06 09:44:15,623 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-06 09:44:15,624 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:15,624 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-06-06 09:44:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:15,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76647497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:15,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:15,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-06 09:44:15,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948615227] [2021-06-06 09:44:15,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:44:15,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:15,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:44:15,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:44:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:15,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:15,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5) internal successors, (33), 22 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) [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:15,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:16,525 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 94 [2021-06-06 09:44:16,751 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2021-06-06 09:44:16,958 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 108 [2021-06-06 09:44:17,192 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:17,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:17,576 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:17,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1050957022, now seen corresponding path program 11 times [2021-06-06 09:44:17,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:17,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287400749] [2021-06-06 09:44:17,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:17,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:17,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287400749] [2021-06-06 09:44:17,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287400749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:17,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122633548] [2021-06-06 09:44:17,732 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 [2021-06-06 09:44:17,771 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 09:44:17,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:17,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:44:17,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:17,945 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 [2021-06-06 09:44:17,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,950 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 [2021-06-06 09:44:17,951 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,954 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 [2021-06-06 09:44:17,955 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,958 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 [2021-06-06 09:44:17,959 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:17,962 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 [2021-06-06 09:44:17,963 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,965 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 [2021-06-06 09:44:17,967 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:17,995 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:44:17,995 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:17,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:17,996 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:18,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122633548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:18,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:18,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-06 09:44:18,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316720948] [2021-06-06 09:44:18,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 09:44:18,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:18,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 09:44:18,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-06 09:44:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:18,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:18,033 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) [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:18,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:18,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:18,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:18,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:18,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:18,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-06-06 09:44:18,754 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:18,754 INFO L82 PathProgramCache]: Analyzing trace with hash -77314542, now seen corresponding path program 12 times [2021-06-06 09:44:18,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:18,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666971790] [2021-06-06 09:44:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:18,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:18,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666971790] [2021-06-06 09:44:18,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666971790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:18,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610099581] [2021-06-06 09:44:18,901 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 [2021-06-06 09:44:18,940 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 09:44:18,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:18,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:44:18,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:19,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:19,092 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 [2021-06-06 09:44:19,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:19,101 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 [2021-06-06 09:44:19,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:19,120 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:19,121 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:19,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:19,121 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:19,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610099581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:19,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:19,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-06 09:44:19,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74020674] [2021-06-06 09:44:19,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 09:44:19,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:19,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 09:44:19,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-06 09:44:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:19,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:19,152 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) [2021-06-06 09:44:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:19,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:19,613 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:19,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1864957208, now seen corresponding path program 13 times [2021-06-06 09:44:19,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:19,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456056646] [2021-06-06 09:44:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:20,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:20,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456056646] [2021-06-06 09:44:20,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456056646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:20,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881771393] [2021-06-06 09:44:20,332 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 [2021-06-06 09:44:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:20,366 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-06 09:44:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:21,719 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 71 treesize of output 49 [2021-06-06 09:44:21,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:21,733 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 [2021-06-06 09:44:21,735 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:21,763 INFO L628 ElimStorePlain]: treesize reduction 127, result has 8.0 percent of original size [2021-06-06 09:44:21,763 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:21,764 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-06-06 09:44:21,764 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-06-06 09:44:21,764 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:21,764 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-06-06 09:44:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:21,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881771393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:21,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:21,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 25 [2021-06-06 09:44:21,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316565284] [2021-06-06 09:44:21,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 09:44:21,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:21,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 09:44:21,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2021-06-06 09:44:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:21,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:21,778 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) [2021-06-06 09:44:21,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:21,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:21,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:21,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:21,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:23,354 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-06-06 09:44:23,850 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-06-06 09:44:24,008 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:24,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:24,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:24,382 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1945839314, now seen corresponding path program 14 times [2021-06-06 09:44:24,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:24,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400009956] [2021-06-06 09:44:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:24,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:24,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400009956] [2021-06-06 09:44:24,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400009956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:24,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421533395] [2021-06-06 09:44:24,567 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 [2021-06-06 09:44:24,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:44:24,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:24,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 09:44:24,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:24,815 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 [2021-06-06 09:44:24,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,819 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 [2021-06-06 09:44:24,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,823 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 [2021-06-06 09:44:24,824 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:24,827 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 [2021-06-06 09:44:24,828 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:24,831 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 [2021-06-06 09:44:24,831 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,834 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 [2021-06-06 09:44:24,835 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:24,863 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:44:24,863 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:24,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:24,864 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:24,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421533395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:24,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:24,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-06 09:44:24,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795616819] [2021-06-06 09:44:24,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:44:24,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:24,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:44:24,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:44:24,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:24,903 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:24,903 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) [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:24,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:24,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:25,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-06 09:44:25,765 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:25,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2063985122, now seen corresponding path program 15 times [2021-06-06 09:44:25,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:25,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040550335] [2021-06-06 09:44:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:25,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:25,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040550335] [2021-06-06 09:44:25,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040550335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:25,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825026353] [2021-06-06 09:44:25,943 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 [2021-06-06 09:44:25,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 09:44:25,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:25,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 09:44:25,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:26,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:26,164 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 [2021-06-06 09:44:26,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:26,167 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 [2021-06-06 09:44:26,168 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:26,183 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:26,183 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:26,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:26,184 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:26,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825026353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:26,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:26,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-06 09:44:26,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256862676] [2021-06-06 09:44:26,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:44:26,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:44:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:44:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:26,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:26,210 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) [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:26,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:26,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:26,757 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:26,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:26,757 INFO L82 PathProgramCache]: Analyzing trace with hash -474229944, now seen corresponding path program 16 times [2021-06-06 09:44:26,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:26,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742311663] [2021-06-06 09:44:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:27,477 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-06-06 09:44:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:27,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:27,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742311663] [2021-06-06 09:44:27,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742311663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:27,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476102285] [2021-06-06 09:44:27,751 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 [2021-06-06 09:44:27,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:44:27,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:27,785 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-06 09:44:27,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:28,735 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-06-06 09:44:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:29,568 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 [2021-06-06 09:44:29,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:29,588 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 [2021-06-06 09:44:29,591 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:29,608 INFO L628 ElimStorePlain]: treesize reduction 128, result has 7.9 percent of original size [2021-06-06 09:44:29,608 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:29,608 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-06 09:44:29,608 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-06 09:44:29,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:29,609 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-06-06 09:44:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:29,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476102285] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:29,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:29,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-06-06 09:44:29,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614942921] [2021-06-06 09:44:29,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:44:29,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:29,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:44:29,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=864, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:44:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:29,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:29,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 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) [2021-06-06 09:44:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:29,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:30,590 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-06-06 09:44:30,861 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-06 09:44:31,293 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 76 [2021-06-06 09:44:31,611 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 78 [2021-06-06 09:44:32,048 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 79 [2021-06-06 09:44:32,478 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 79 [2021-06-06 09:44:32,911 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 79 [2021-06-06 09:44:33,234 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 84 [2021-06-06 09:44:33,459 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-06-06 09:44:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:33,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-06-06 09:44:33,783 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:33,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:33,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1849485662, now seen corresponding path program 17 times [2021-06-06 09:44:33,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:33,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644792424] [2021-06-06 09:44:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:33,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:33,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644792424] [2021-06-06 09:44:33,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644792424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:33,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147959237] [2021-06-06 09:44:33,975 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 [2021-06-06 09:44:34,009 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 09:44:34,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:34,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 09:44:34,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:34,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:34,235 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 [2021-06-06 09:44:34,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:34,240 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 [2021-06-06 09:44:34,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,243 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 [2021-06-06 09:44:34,245 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:34,248 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:44:34,251 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,253 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 [2021-06-06 09:44:34,254 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:34,279 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-06 09:44:34,279 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:34,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:34,280 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:34,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147959237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:34,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:34,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-06 09:44:34,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910172538] [2021-06-06 09:44:34,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 09:44:34,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:34,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 09:44:34,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-06 09:44:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:34,317 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:34,317 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) [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:34,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:35,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-06-06 09:44:35,466 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:35,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:35,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1813034386, now seen corresponding path program 18 times [2021-06-06 09:44:35,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:35,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155521644] [2021-06-06 09:44:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:35,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:35,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155521644] [2021-06-06 09:44:35,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155521644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:35,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294983914] [2021-06-06 09:44:35,671 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 [2021-06-06 09:44:35,708 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 09:44:35,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 09:44:35,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:35,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:35,919 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 [2021-06-06 09:44:35,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:35,922 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 [2021-06-06 09:44:35,923 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:35,939 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:35,939 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:35,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:35,940 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:35,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294983914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:35,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:35,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-06 09:44:35,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216787175] [2021-06-06 09:44:35,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 09:44:35,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:35,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 09:44:35,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-06 09:44:35,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:35,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:35,967 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) [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:35,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:36,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:36,571 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:36,571 INFO L82 PathProgramCache]: Analyzing trace with hash 336231832, now seen corresponding path program 19 times [2021-06-06 09:44:36,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:36,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599279517] [2021-06-06 09:44:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:37,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:37,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599279517] [2021-06-06 09:44:37,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599279517] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:37,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981043053] [2021-06-06 09:44:37,204 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 [2021-06-06 09:44:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:37,245 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-06 09:44:37,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:38,499 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-06-06 09:44:39,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:39,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:39,390 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 [2021-06-06 09:44:39,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:39,418 INFO L628 ElimStorePlain]: treesize reduction 217, result has 4.8 percent of original size [2021-06-06 09:44:39,418 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:39,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-06-06 09:44:39,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-06-06 09:44:39,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:39,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-06-06 09:44:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:39,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981043053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:39,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:39,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-06-06 09:44:39,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507403840] [2021-06-06 09:44:39,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 09:44:39,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:39,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 09:44:39,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 09:44:39,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:39,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:39,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 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) [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:39,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:39,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:39,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:39,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:39,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:39,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:42,833 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-06-06 09:44:43,056 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-06 09:44:43,296 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-06-06 09:44:43,607 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 104 [2021-06-06 09:44:43,849 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-06 09:44:44,085 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-06 09:44:44,329 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:44,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:44,760 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1799992914, now seen corresponding path program 20 times [2021-06-06 09:44:44,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:44,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462290984] [2021-06-06 09:44:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:45,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:45,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462290984] [2021-06-06 09:44:45,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462290984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:45,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886426211] [2021-06-06 09:44:45,044 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 [2021-06-06 09:44:45,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:44:45,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:45,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 09:44:45,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:45,386 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 [2021-06-06 09:44:45,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,390 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 [2021-06-06 09:44:45,391 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:45,402 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 [2021-06-06 09:44:45,403 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,405 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 [2021-06-06 09:44:45,406 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,408 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 [2021-06-06 09:44:45,409 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,411 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 [2021-06-06 09:44:45,412 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:45,436 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:44:45,436 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:45,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:45,436 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:45,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886426211] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:45,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:45,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-06 09:44:45,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112799738] [2021-06-06 09:44:45,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 09:44:45,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:45,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 09:44:45,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-06 09:44:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:45,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:45,474 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) [2021-06-06 09:44:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:45,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:46,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:46,604 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:46,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:46,604 INFO L82 PathProgramCache]: Analyzing trace with hash -626002590, now seen corresponding path program 21 times [2021-06-06 09:44:46,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:46,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100235544] [2021-06-06 09:44:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:46,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:46,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100235544] [2021-06-06 09:44:46,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100235544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:46,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890411482] [2021-06-06 09:44:46,820 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 [2021-06-06 09:44:46,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 09:44:46,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:46,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 09:44:46,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:47,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:47,093 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 [2021-06-06 09:44:47,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:47,096 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 [2021-06-06 09:44:47,097 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:47,111 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:44:47,111 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:47,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:47,112 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:44:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:47,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890411482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:47,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:47,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-06 09:44:47,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207465224] [2021-06-06 09:44:47,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 09:44:47,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:47,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 09:44:47,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-06 09:44:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:47,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:47,141 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) [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:47,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:47,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:44:47,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:47,810 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:47,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:47,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2035496904, now seen corresponding path program 22 times [2021-06-06 09:44:47,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:47,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529029819] [2021-06-06 09:44:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:48,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:48,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529029819] [2021-06-06 09:44:48,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529029819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:48,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227554878] [2021-06-06 09:44:48,623 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 [2021-06-06 09:44:48,675 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:44:48,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:48,677 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-06 09:44:48,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:49,846 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:44:50,069 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:44:50,322 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-06 09:44:50,530 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:44:50,781 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-06 09:44:50,990 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:44:51,208 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:44:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:44:51,310 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 [2021-06-06 09:44:51,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:51,339 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-06-06 09:44:51,340 INFO L518 ElimStorePlain]: Eliminatee v_prenex_71 vanished before elimination [2021-06-06 09:44:51,340 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 09:44:51,340 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:51,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:44:51,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-06-06 09:44:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:51,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227554878] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:51,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:51,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-06-06 09:44:51,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091248940] [2021-06-06 09:44:51,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 09:44:51,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:51,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 09:44:51,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 09:44:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:51,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:51,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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) [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:51,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:44:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:56,344 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2021-06-06 09:44:56,565 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2021-06-06 09:44:56,807 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2021-06-06 09:44:57,055 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-06 09:44:57,295 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-06 09:44:57,550 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-06 09:44:57,802 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-06 09:44:58,055 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-06 09:44:58,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:44:58,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:44:58,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:44:58,519 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:44:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:44:58,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1357364702, now seen corresponding path program 23 times [2021-06-06 09:44:58,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:44:58,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795929501] [2021-06-06 09:44:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:44:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:44:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:58,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:44:58,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795929501] [2021-06-06 09:44:58,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795929501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:58,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017282892] [2021-06-06 09:44:58,815 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 [2021-06-06 09:44:58,855 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 09:44:58,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:44:58,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-06 09:44:58,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:44:59,143 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 8 treesize of output 6 [2021-06-06 09:44:59,144 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,146 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 [2021-06-06 09:44:59,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:59,150 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 [2021-06-06 09:44:59,151 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:44:59,153 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 [2021-06-06 09:44:59,154 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,156 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 [2021-06-06 09:44:59,157 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,159 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 [2021-06-06 09:44:59,160 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:44:59,184 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:44:59,184 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:44:59,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:44:59,185 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:44:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:44:59,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017282892] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:44:59,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:44:59,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-06 09:44:59,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147439965] [2021-06-06 09:44:59,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:44:59,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:44:59,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:44:59,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:44:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:44:59,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:44:59,224 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) [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:44:59,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:44:59,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:00,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-06-06 09:45:00,650 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:00,651 INFO L82 PathProgramCache]: Analyzing trace with hash 746186002, now seen corresponding path program 24 times [2021-06-06 09:45:00,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:00,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175095013] [2021-06-06 09:45:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:00,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:00,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175095013] [2021-06-06 09:45:00,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175095013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:00,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812528596] [2021-06-06 09:45:00,945 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 [2021-06-06 09:45:00,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 09:45:00,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:00,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 09:45:00,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:01,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:01,276 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 [2021-06-06 09:45:01,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:01,279 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 [2021-06-06 09:45:01,280 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:01,295 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:45:01,296 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:01,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:01,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:45:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:01,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812528596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:01,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:01,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-06 09:45:01,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248087433] [2021-06-06 09:45:01,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:45:01,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:01,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:45:01,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:45:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:01,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:01,328 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) [2021-06-06 09:45:01,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:01,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:01,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:01,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:01,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:02,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-06-06 09:45:02,117 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:02,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:02,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1623670296, now seen corresponding path program 25 times [2021-06-06 09:45:02,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:02,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174719823] [2021-06-06 09:45:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:03,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:03,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174719823] [2021-06-06 09:45:03,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174719823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:03,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865724697] [2021-06-06 09:45:03,411 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 [2021-06-06 09:45:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:03,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-06 09:45:03,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:04,834 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 09:45:05,079 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 09:45:05,319 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 09:45:05,586 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 09:45:05,817 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 09:45:06,096 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 09:45:06,374 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-06 09:45:06,614 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 09:45:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:06,742 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 [2021-06-06 09:45:06,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:06,778 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 [2021-06-06 09:45:06,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:06,800 INFO L628 ElimStorePlain]: treesize reduction 161, result has 6.4 percent of original size [2021-06-06 09:45:06,801 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:06,801 INFO L518 ElimStorePlain]: Eliminatee v_prenex_85 vanished before elimination [2021-06-06 09:45:06,801 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-06-06 09:45:06,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:06,802 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-06-06 09:45:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:06,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865724697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:06,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:06,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-06-06 09:45:06,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864133893] [2021-06-06 09:45:06,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-06 09:45:06,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:06,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-06 09:45:06,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-06-06 09:45:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:06,859 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:06,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 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) [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:11,487 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-06-06 09:45:12,880 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2021-06-06 09:45:13,227 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-06 09:45:13,532 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-06 09:45:13,841 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-06 09:45:14,131 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-06 09:45:14,425 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-06 09:45:14,788 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-06 09:45:15,073 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-06 09:45:15,368 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-06 09:45:15,561 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-06-06 09:45:15,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:15,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:15,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-06-06 09:45:15,840 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1239087662, now seen corresponding path program 26 times [2021-06-06 09:45:15,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:15,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520379835] [2021-06-06 09:45:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:16,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:16,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520379835] [2021-06-06 09:45:16,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520379835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:16,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910908571] [2021-06-06 09:45:16,186 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 [2021-06-06 09:45:16,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:45:16,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:16,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 09:45:16,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:16,587 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 [2021-06-06 09:45:16,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,590 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 [2021-06-06 09:45:16,591 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,593 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 [2021-06-06 09:45:16,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:16,596 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 [2021-06-06 09:45:16,597 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:16,599 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 [2021-06-06 09:45:16,600 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:45:16,603 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:16,626 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-06 09:45:16,626 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:16,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:45:16,626 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:45:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:16,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910908571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:16,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:16,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-06 09:45:16,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860265516] [2021-06-06 09:45:16,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 09:45:16,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:16,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 09:45:16,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 09:45:16,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:16,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:16,669 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) [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:16,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:16,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:16,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:18,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:18,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable256 [2021-06-06 09:45:18,428 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:18,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:18,429 INFO L82 PathProgramCache]: Analyzing trace with hash -453525278, now seen corresponding path program 27 times [2021-06-06 09:45:18,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:18,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987758972] [2021-06-06 09:45:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:18,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:18,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987758972] [2021-06-06 09:45:18,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987758972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:18,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415884923] [2021-06-06 09:45:18,822 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 [2021-06-06 09:45:18,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 09:45:18,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:18,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 09:45:18,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:19,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:19,191 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 [2021-06-06 09:45:19,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:19,195 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 [2021-06-06 09:45:19,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:19,217 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:45:19,218 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:19,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:19,218 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:45:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:19,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415884923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:19,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:19,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-06 09:45:19,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052806336] [2021-06-06 09:45:19,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 09:45:19,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:19,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 09:45:19,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 09:45:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:19,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:19,253 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) [2021-06-06 09:45:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:19,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:20,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:45:20,178 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:20,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1207641016, now seen corresponding path program 28 times [2021-06-06 09:45:20,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:20,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637202691] [2021-06-06 09:45:20,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:21,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:21,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637202691] [2021-06-06 09:45:21,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637202691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:21,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060037847] [2021-06-06 09:45:21,355 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 [2021-06-06 09:45:21,396 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:45:21,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:21,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-06-06 09:45:21,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:23,108 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 09:45:23,426 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 09:45:23,728 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 09:45:24,021 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 09:45:24,316 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-06 09:45:24,613 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 09:45:24,923 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 09:45:25,241 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 09:45:25,569 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-06 09:45:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:25,680 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 [2021-06-06 09:45:25,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:25,725 INFO L628 ElimStorePlain]: treesize reduction 287, result has 3.7 percent of original size [2021-06-06 09:45:25,725 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:25,725 INFO L518 ElimStorePlain]: Eliminatee v_prenex_100 vanished before elimination [2021-06-06 09:45:25,725 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-06-06 09:45:25,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:25,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-06-06 09:45:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:25,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060037847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:25,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:25,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-06 09:45:25,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60723871] [2021-06-06 09:45:25,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 09:45:25,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:25,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 09:45:25,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1959, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 09:45:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:25,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:25,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 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) [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:25,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:32,868 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-06-06 09:45:34,826 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2021-06-06 09:45:35,194 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2021-06-06 09:45:35,631 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2021-06-06 09:45:36,054 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:36,469 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:36,899 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:37,321 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:37,767 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:38,208 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:38,629 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-06 09:45:38,859 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:39,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:45:39,209 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:39,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1184574882, now seen corresponding path program 29 times [2021-06-06 09:45:39,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:39,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119423606] [2021-06-06 09:45:39,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:39,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:39,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119423606] [2021-06-06 09:45:39,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119423606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:39,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433560398] [2021-06-06 09:45:39,662 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 [2021-06-06 09:45:39,730 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 09:45:39,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:39,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 09:45:39,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:40,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:40,155 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 [2021-06-06 09:45:40,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:40,158 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 [2021-06-06 09:45:40,159 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,161 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 [2021-06-06 09:45:40,162 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:45:40,164 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,166 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 [2021-06-06 09:45:40,168 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:45:40,171 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:40,192 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-06 09:45:40,192 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:40,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:45:40,193 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:45:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:40,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433560398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:40,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:40,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-06 09:45:40,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234170621] [2021-06-06 09:45:40,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 09:45:40,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 09:45:40,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 09:45:40,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:40,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:40,237 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) [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:40,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:40,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:45:42,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:45:42,288 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:42,288 INFO L82 PathProgramCache]: Analyzing trace with hash -232794990, now seen corresponding path program 30 times [2021-06-06 09:45:42,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:42,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845712320] [2021-06-06 09:45:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:42,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:42,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845712320] [2021-06-06 09:45:42,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845712320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:42,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048485849] [2021-06-06 09:45:42,658 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 [2021-06-06 09:45:42,705 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 09:45:42,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:45:42,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 09:45:42,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:43,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:43,106 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 [2021-06-06 09:45:43,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:43,109 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 [2021-06-06 09:45:43,109 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:43,125 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:45:43,125 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:43,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:43,126 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:45:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:43,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048485849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:43,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:43,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-06 09:45:43,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650811778] [2021-06-06 09:45:43,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 09:45:43,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:43,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 09:45:43,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 09:45:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:43,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:43,163 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) [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:45:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:45:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:45:44,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable304 [2021-06-06 09:45:44,317 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:45:44,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:45:44,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1340030616, now seen corresponding path program 31 times [2021-06-06 09:45:44,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:45:44,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560167829] [2021-06-06 09:45:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:45:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:45,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:45:45,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560167829] [2021-06-06 09:45:45,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560167829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:45,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057851585] [2021-06-06 09:45:45,340 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 [2021-06-06 09:45:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:45:45,390 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-06-06 09:45:45,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:45:47,297 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:47,574 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:47,881 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:48,194 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:48,555 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 09:45:48,910 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 09:45:49,211 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:49,584 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-06 09:45:49,899 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:50,213 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-06 09:45:50,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:45:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:45:50,330 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 [2021-06-06 09:45:50,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:45:50,375 INFO L628 ElimStorePlain]: treesize reduction 305, result has 3.5 percent of original size [2021-06-06 09:45:50,375 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:45:50,375 INFO L518 ElimStorePlain]: Eliminatee v_prenex_110 vanished before elimination [2021-06-06 09:45:50,375 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-06 09:45:50,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:45:50,376 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-06-06 09:45:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:45:50,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057851585] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:45:50,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:45:50,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-06-06 09:45:50,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350699558] [2021-06-06 09:45:50,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 09:45:50,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:45:50,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 09:45:50,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 09:45:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:50,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:45:50,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.22) internal successors, (61), 50 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) [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:45:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:45:50,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:45:59,968 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-06-06 09:46:02,333 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-06-06 09:46:02,734 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-06 09:46:03,191 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-06 09:46:03,684 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-06 09:46:04,259 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-06 09:46:04,751 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-06 09:46:05,252 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-06 09:46:05,754 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-06 09:46:06,327 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-06 09:46:06,806 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2021-06-06 09:46:07,286 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-06 09:46:07,560 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-06 09:46:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:07,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:46:07,921 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:07,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1441983150, now seen corresponding path program 32 times [2021-06-06 09:46:07,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:07,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347503162] [2021-06-06 09:46:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:08,365 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:08,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:08,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347503162] [2021-06-06 09:46:08,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347503162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:08,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852824604] [2021-06-06 09:46:08,365 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 [2021-06-06 09:46:08,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:46:08,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:46:08,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 09:46:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:08,884 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 [2021-06-06 09:46:08,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,888 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 [2021-06-06 09:46:08,890 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:08,893 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 [2021-06-06 09:46:08,894 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:46:08,897 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,900 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 [2021-06-06 09:46:08,901 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,904 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 [2021-06-06 09:46:08,905 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:08,932 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-06 09:46:08,932 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:08,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:46:08,933 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:46:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:08,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852824604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:08,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:08,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-06 09:46:08,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393999109] [2021-06-06 09:46:08,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 09:46:08,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:08,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 09:46:08,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 09:46:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:08,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:08,980 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) [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:11,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable344 [2021-06-06 09:46:11,137 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:11,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:11,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1864191074, now seen corresponding path program 33 times [2021-06-06 09:46:11,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:11,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910073163] [2021-06-06 09:46:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:11,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:11,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910073163] [2021-06-06 09:46:11,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910073163] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:11,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843602168] [2021-06-06 09:46:11,643 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 [2021-06-06 09:46:11,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 09:46:11,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:46:11,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 09:46:11,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:12,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:12,132 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 [2021-06-06 09:46:12,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:12,135 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 [2021-06-06 09:46:12,135 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:12,159 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:46:12,159 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:12,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:46:12,160 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:46:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:12,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843602168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:12,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:12,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-06 09:46:12,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111663919] [2021-06-06 09:46:12,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 09:46:12,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:12,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 09:46:12,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 09:46:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:12,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:12,198 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) [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:13,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:46:13,241 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:13,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:13,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1922089160, now seen corresponding path program 34 times [2021-06-06 09:46:13,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:13,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005758326] [2021-06-06 09:46:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:14,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:14,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005758326] [2021-06-06 09:46:14,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005758326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:14,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887026403] [2021-06-06 09:46:14,876 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 [2021-06-06 09:46:14,924 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:46:14,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:46:14,926 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-06-06 09:46:14,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:17,194 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-06 09:46:17,564 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:17,908 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:18,277 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-06 09:46:18,747 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:19,241 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-06 09:46:19,579 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:19,922 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:20,410 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:20,763 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-06 09:46:21,166 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-06 09:46:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:21,335 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 [2021-06-06 09:46:21,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:21,393 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 [2021-06-06 09:46:21,399 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:21,412 INFO L628 ElimStorePlain]: treesize reduction 198, result has 5.3 percent of original size [2021-06-06 09:46:21,412 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:21,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_123 vanished before elimination [2021-06-06 09:46:21,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_124 vanished before elimination [2021-06-06 09:46:21,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:46:21,413 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-06-06 09:46:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:21,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887026403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:21,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:21,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-06-06 09:46:21,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776530884] [2021-06-06 09:46:21,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-06 09:46:21,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:21,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-06 09:46:21,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2731, Unknown=0, NotChecked=0, Total=2862 [2021-06-06 09:46:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:21,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:21,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 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) [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:21,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:32,495 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-06 09:46:34,901 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-06 09:46:35,317 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:35,782 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:36,300 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 154 [2021-06-06 09:46:36,723 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:37,155 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:37,608 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:38,033 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:38,460 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:38,878 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:39,500 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 154 [2021-06-06 09:46:39,933 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-06 09:46:40,199 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 09:46:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:40,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable353 [2021-06-06 09:46:40,565 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:40,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:40,565 INFO L82 PathProgramCache]: Analyzing trace with hash -578037470, now seen corresponding path program 35 times [2021-06-06 09:46:40,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:40,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515856516] [2021-06-06 09:46:40,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:41,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:41,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515856516] [2021-06-06 09:46:41,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515856516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:41,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096490635] [2021-06-06 09:46:41,033 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 [2021-06-06 09:46:41,088 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 09:46:41,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:46:41,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 09:46:41,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:41,611 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 [2021-06-06 09:46:41,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,616 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 [2021-06-06 09:46:41,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:41,621 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 [2021-06-06 09:46:41,621 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:41,624 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 17 treesize of output 13 [2021-06-06 09:46:41,625 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,627 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 [2021-06-06 09:46:41,628 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,629 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 [2021-06-06 09:46:41,630 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:41,655 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:46:41,655 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:41,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:46:41,656 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:46:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:41,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096490635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:41,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:41,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-06 09:46:41,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506170785] [2021-06-06 09:46:41,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 09:46:41,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:41,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 09:46:41,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 09:46:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:41,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:41,721 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) [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:41,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:46:44,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:46:44,188 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:44,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:44,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1165851630, now seen corresponding path program 36 times [2021-06-06 09:46:44,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:44,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921706616] [2021-06-06 09:46:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:44,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:44,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921706616] [2021-06-06 09:46:44,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921706616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:44,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434167829] [2021-06-06 09:46:44,725 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 [2021-06-06 09:46:44,777 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 09:46:44,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:46:44,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 09:46:44,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:45,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:45,277 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 [2021-06-06 09:46:45,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:45,279 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 [2021-06-06 09:46:45,280 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:45,295 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:46:45,295 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:45,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:46:45,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:46:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:45,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434167829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:45,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:45,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-06 09:46:45,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128188513] [2021-06-06 09:46:45,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 09:46:45,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:45,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 09:46:45,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 09:46:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:45,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:45,338 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) [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:45,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:46:45,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:46:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:46,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-06-06 09:46:46,679 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:46:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:46:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1814921448, now seen corresponding path program 37 times [2021-06-06 09:46:46,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:46:46,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042460172] [2021-06-06 09:46:46,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:46:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:48,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:46:48,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042460172] [2021-06-06 09:46:48,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042460172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:48,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47219497] [2021-06-06 09:46:48,488 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 [2021-06-06 09:46:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:46:48,538 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-06 09:46:48,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:46:51,249 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:51,714 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:52,177 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:52,683 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:53,098 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 09:46:53,613 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:54,131 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:54,738 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:55,250 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:55,689 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 09:46:56,114 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-06 09:46:56,670 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-06 09:46:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:46:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:46:56,813 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 [2021-06-06 09:46:56,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:46:56,858 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-06-06 09:46:56,858 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:46:56,858 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-06 09:46:56,858 INFO L518 ElimStorePlain]: Eliminatee v_prenex_147 vanished before elimination [2021-06-06 09:46:56,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:46:56,858 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-06-06 09:46:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:46:56,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47219497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:46:56,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:46:56,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-06 09:46:56,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049606417] [2021-06-06 09:46:56,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 09:46:56,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:46:56,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 09:46:56,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=3294, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 09:46:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:46:56,958 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:46:56,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 59 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) [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:46:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:01,099 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-06-06 09:47:01,615 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-06-06 09:47:02,236 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 165 [2021-06-06 09:47:02,730 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 116 [2021-06-06 09:47:03,317 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 174 [2021-06-06 09:47:03,943 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 174 [2021-06-06 09:47:04,472 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 116 [2021-06-06 09:47:04,991 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 112 [2021-06-06 09:47:05,568 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 173 [2021-06-06 09:47:06,297 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 169 [2021-06-06 09:47:06,890 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 116 [2021-06-06 09:47:07,529 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 174 [2021-06-06 09:47:08,033 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 112 [2021-06-06 09:47:08,691 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 170 [2021-06-06 09:47:09,261 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 173 [2021-06-06 09:47:09,716 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 09:47:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:10,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-06-06 09:47:10,157 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:47:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:47:10,157 INFO L82 PathProgramCache]: Analyzing trace with hash -461249326, now seen corresponding path program 38 times [2021-06-06 09:47:10,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:47:10,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666782773] [2021-06-06 09:47:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:47:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:47:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:10,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:47:10,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666782773] [2021-06-06 09:47:10,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666782773] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:10,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258634667] [2021-06-06 09:47:10,708 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 [2021-06-06 09:47:10,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:47:10,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:47:10,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 09:47:10,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:47:11,341 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 [2021-06-06 09:47:11,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,344 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 [2021-06-06 09:47:11,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,347 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 [2021-06-06 09:47:11,348 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:47:11,351 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 [2021-06-06 09:47:11,352 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:47:11,354 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 [2021-06-06 09:47:11,355 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:47:11,363 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:11,387 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-06 09:47:11,387 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:47:11,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:47:11,388 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:47:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:11,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258634667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:11,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:47:11,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-06 09:47:11,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784988388] [2021-06-06 09:47:11,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 09:47:11,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:47:11,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 09:47:11,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 09:47:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:11,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:47:11,440 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) [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:11,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:47:14,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:47:14,206 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:47:14,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:47:14,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1503619102, now seen corresponding path program 39 times [2021-06-06 09:47:14,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:47:14,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209898762] [2021-06-06 09:47:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:47:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:47:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:14,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:47:14,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209898762] [2021-06-06 09:47:14,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209898762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:14,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994556403] [2021-06-06 09:47:14,760 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 [2021-06-06 09:47:14,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 09:47:14,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:47:14,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 09:47:14,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:47:15,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:47:15,412 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 [2021-06-06 09:47:15,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:15,414 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 [2021-06-06 09:47:15,415 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:15,430 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:47:15,430 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:47:15,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:47:15,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:47:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:15,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994556403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:15,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:47:15,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-06 09:47:15,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959069491] [2021-06-06 09:47:15,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 09:47:15,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:47:15,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 09:47:15,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 09:47:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:15,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:47:15,474 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) [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:47:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:47:17,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable447 [2021-06-06 09:47:17,055 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:47:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:47:17,055 INFO L82 PathProgramCache]: Analyzing trace with hash 599188808, now seen corresponding path program 40 times [2021-06-06 09:47:17,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:47:17,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288662319] [2021-06-06 09:47:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:47:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:47:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:19,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:47:19,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288662319] [2021-06-06 09:47:19,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288662319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:19,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643918602] [2021-06-06 09:47:19,259 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 [2021-06-06 09:47:19,322 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:47:19,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:47:19,325 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-06-06 09:47:19,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:47:22,541 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-06 09:47:22,955 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:23,407 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:23,888 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:24,360 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:24,872 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:25,398 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:25,830 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:26,275 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:26,706 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:27,240 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:27,761 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-06 09:47:28,210 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:28,679 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-06 09:47:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:47:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:47:28,828 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 [2021-06-06 09:47:28,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:47:28,890 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-06-06 09:47:28,890 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:47:28,890 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-06 09:47:28,890 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-06-06 09:47:28,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:47:28,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-06-06 09:47:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:47:28,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643918602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:47:28,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:47:28,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-06-06 09:47:28,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041562955] [2021-06-06 09:47:28,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-06 09:47:28,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:47:28,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-06 09:47:28,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=3632, Unknown=0, NotChecked=0, Total=3782 [2021-06-06 09:47:28,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:28,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:47:28,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 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) [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:47:28,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:47:28,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:47:28,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:47:52,288 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-06-06 09:47:56,916 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 108 [2021-06-06 09:47:57,539 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-06 09:47:58,237 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-06 09:47:58,933 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-06 09:47:59,789 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-06 09:48:00,544 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:01,301 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:02,049 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:02,850 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:03,612 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:04,372 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:05,098 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2021-06-06 09:48:05,858 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:06,561 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-06 09:48:07,005 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-06-06 09:48:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:07,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:48:07,497 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:48:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:48:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1361724578, now seen corresponding path program 41 times [2021-06-06 09:48:07,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:48:07,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155076857] [2021-06-06 09:48:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:48:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:48:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:08,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:48:08,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155076857] [2021-06-06 09:48:08,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155076857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:08,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056961160] [2021-06-06 09:48:08,243 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 [2021-06-06 09:48:08,319 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-06 09:48:08,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:48:08,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 09:48:08,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:48:09,088 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 [2021-06-06 09:48:09,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:48:09,091 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 [2021-06-06 09:48:09,092 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,094 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 [2021-06-06 09:48:09,095 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,097 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 [2021-06-06 09:48:09,098 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:48:09,101 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 [2021-06-06 09:48:09,102 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,104 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 [2021-06-06 09:48:09,105 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:09,131 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-06 09:48:09,131 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:48:09,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:48:09,131 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:48:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:09,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056961160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:09,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:48:09,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-06 09:48:09,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777724024] [2021-06-06 09:48:09,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 09:48:09,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:48:09,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 09:48:09,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 09:48:09,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:09,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:48:09,187 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) [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:09,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:09,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:48:12,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable493,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:48:12,388 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:48:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:48:12,389 INFO L82 PathProgramCache]: Analyzing trace with hash -886967406, now seen corresponding path program 42 times [2021-06-06 09:48:12,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:48:12,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99111383] [2021-06-06 09:48:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:48:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:48:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:13,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:48:13,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99111383] [2021-06-06 09:48:13,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99111383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:13,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528669276] [2021-06-06 09:48:13,124 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 [2021-06-06 09:48:13,183 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 09:48:13,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:48:13,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 09:48:13,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:48:13,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:48:13,876 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 [2021-06-06 09:48:13,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:13,879 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 [2021-06-06 09:48:13,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:13,900 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:48:13,901 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:48:13,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:48:13,901 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:48:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:13,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528669276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:13,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:48:13,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-06 09:48:13,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672591936] [2021-06-06 09:48:13,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 09:48:13,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:48:13,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 09:48:13,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 09:48:13,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:13,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:48:13,949 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) [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:13,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:48:13,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:15,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable500 [2021-06-06 09:48:15,859 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:48:15,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:48:15,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1759445096, now seen corresponding path program 43 times [2021-06-06 09:48:15,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:48:15,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460270548] [2021-06-06 09:48:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:48:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:48:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:17,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:48:17,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460270548] [2021-06-06 09:48:17,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460270548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:17,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145721433] [2021-06-06 09:48:17,612 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 [2021-06-06 09:48:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:48:17,673 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-06 09:48:17,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:48:19,642 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-06 09:48:20,697 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-06 09:48:21,163 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:21,723 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 09:48:22,223 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:22,704 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:23,321 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 09:48:23,909 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 09:48:24,411 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:24,979 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 09:48:25,479 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:25,969 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:26,501 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:27,037 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:27,559 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-06 09:48:28,185 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-06 09:48:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:48:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:48:28,343 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 [2021-06-06 09:48:28,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:48:28,415 INFO L628 ElimStorePlain]: treesize reduction 397, result has 2.7 percent of original size [2021-06-06 09:48:28,415 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:48:28,415 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-06 09:48:28,415 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-06 09:48:28,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:48:28,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-06-06 09:48:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:48:28,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145721433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:48:28,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:48:28,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-06-06 09:48:28,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370835908] [2021-06-06 09:48:28,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-06 09:48:28,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:48:28,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-06 09:48:28,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-06-06 09:48:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:28,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:48:28,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 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) [2021-06-06 09:48:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:48:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:48:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:48:48,337 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-06-06 09:48:51,970 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 105 [2021-06-06 09:48:52,679 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 170 [2021-06-06 09:48:53,480 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:48:54,310 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:48:55,188 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:48:56,028 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:48:56,817 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:48:57,639 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:48:58,472 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:48:59,406 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:49:00,262 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:49:01,118 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:49:01,941 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:49:02,815 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-06 09:49:03,727 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-06 09:49:04,232 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:04,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable502 [2021-06-06 09:49:04,640 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:49:04,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:49:04,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1258517586, now seen corresponding path program 44 times [2021-06-06 09:49:04,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:49:04,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589612091] [2021-06-06 09:49:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:49:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:49:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:05,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:49:05,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589612091] [2021-06-06 09:49:05,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589612091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:05,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003962949] [2021-06-06 09:49:05,442 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 [2021-06-06 09:49:05,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:49:05,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:49:05,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-06 09:49:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:49:06,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:49:06,271 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 [2021-06-06 09:49:06,272 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,274 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 [2021-06-06 09:49:06,275 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:49:06,278 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:49:06,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:49:06,282 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 [2021-06-06 09:49:06,283 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,285 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 [2021-06-06 09:49:06,286 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:06,307 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-06 09:49:06,308 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:49:06,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:49:06,308 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-06 09:49:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:06,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003962949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:06,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:49:06,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-06 09:49:06,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079699363] [2021-06-06 09:49:06,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 09:49:06,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:49:06,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 09:49:06,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 09:49:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:06,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:49:06,366 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) [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:06,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 09:49:10,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable550 [2021-06-06 09:49:10,216 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:49:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:49:10,216 INFO L82 PathProgramCache]: Analyzing trace with hash 268542818, now seen corresponding path program 45 times [2021-06-06 09:49:10,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:49:10,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472115282] [2021-06-06 09:49:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:49:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:49:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:11,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:49:11,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472115282] [2021-06-06 09:49:11,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472115282] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:11,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685344077] [2021-06-06 09:49:11,089 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 [2021-06-06 09:49:11,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 09:49:11,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:49:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-06 09:49:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:49:11,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:49:11,968 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 [2021-06-06 09:49:11,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:11,972 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 15 treesize of output 11 [2021-06-06 09:49:11,973 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:11,988 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:49:11,988 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:49:11,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:49:11,988 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:49:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:12,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685344077] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:12,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:49:12,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-06 09:49:12,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343777151] [2021-06-06 09:49:12,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 09:49:12,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:49:12,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 09:49:12,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 09:49:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:12,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:49:12,038 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) [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 09:49:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 09:49:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:49:13,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable557,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:49:13,984 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:49:13,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:49:13,984 INFO L82 PathProgramCache]: Analyzing trace with hash -298366520, now seen corresponding path program 46 times [2021-06-06 09:49:13,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:49:13,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224529418] [2021-06-06 09:49:13,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:49:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:49:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:16,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:49:16,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224529418] [2021-06-06 09:49:16,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224529418] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:16,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471291245] [2021-06-06 09:49:16,177 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 [2021-06-06 09:49:16,233 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:49:16,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:49:16,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-06-06 09:49:16,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:49:18,519 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-06 09:49:19,836 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 09:49:20,366 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:21,001 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:21,676 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:22,292 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:22,934 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:23,504 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:24,112 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:24,808 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:25,346 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:25,906 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:26,559 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:27,245 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:27,920 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-06 09:49:28,494 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:29,122 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-06 09:49:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:49:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:49:29,320 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-06-06 09:49:29,321 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 [2021-06-06 09:49:29,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:49:29,379 INFO L628 ElimStorePlain]: treesize reduction 419, result has 2.6 percent of original size [2021-06-06 09:49:29,380 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 09:49:29,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_199 vanished before elimination [2021-06-06 09:49:29,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_200 vanished before elimination [2021-06-06 09:49:29,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:49:29,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-06-06 09:49:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:49:29,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471291245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:49:29,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:49:29,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-06-06 09:49:29,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15018689] [2021-06-06 09:49:29,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-06-06 09:49:29,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:49:29,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-06-06 09:49:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-06-06 09:49:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:29,481 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:49:29,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 70 states have internal predecessors, (81), 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) [2021-06-06 09:49:29,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:49:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:49:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:49:52,919 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2021-06-06 09:49:56,982 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 176 [2021-06-06 09:49:57,749 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 179 [2021-06-06 09:49:58,590 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:49:59,446 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:00,353 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:01,277 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:50:02,186 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:03,029 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:50:03,917 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:50:04,779 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:50:05,696 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:06,662 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:07,581 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-06 09:50:08,466 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-06 09:50:09,367 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-06 09:50:09,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable559,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:09,570 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:626) 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:184) 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.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:183) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) 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:364) 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) ... 50 more [2021-06-06 09:50:09,574 INFO L168 Benchmark]: Toolchain (without parser) took 368157.83 ms. Allocated memory was 339.7 MB in the beginning and 499.1 MB in the end (delta: 159.4 MB). Free memory was 319.8 MB in the beginning and 256.5 MB in the end (delta: 63.3 MB). Peak memory consumption was 223.6 MB. Max. memory is 16.0 GB. [2021-06-06 09:50:09,574 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 339.7 MB. Free memory was 321.0 MB in the beginning and 320.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 09:50:09,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.88 ms. Allocated memory is still 339.7 MB. Free memory was 319.7 MB in the beginning and 318.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 09:50:09,574 INFO L168 Benchmark]: Boogie Preprocessor took 21.41 ms. Allocated memory is still 339.7 MB. Free memory was 318.3 MB in the beginning and 317.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 09:50:09,574 INFO L168 Benchmark]: RCFGBuilder took 383.98 ms. Allocated memory is still 339.7 MB. Free memory was 317.2 MB in the beginning and 300.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-06 09:50:09,575 INFO L168 Benchmark]: TraceAbstraction took 367720.72 ms. Allocated memory was 339.7 MB in the beginning and 499.1 MB in the end (delta: 159.4 MB). Free memory was 299.6 MB in the beginning and 256.5 MB in the end (delta: 43.1 MB). Peak memory consumption was 202.7 MB. Max. memory is 16.0 GB. [2021-06-06 09:50:09,575 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 0.16 ms. Allocated memory is still 339.7 MB. Free memory was 321.0 MB in the beginning and 320.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.88 ms. Allocated memory is still 339.7 MB. Free memory was 319.7 MB in the beginning and 318.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.41 ms. Allocated memory is still 339.7 MB. Free memory was 318.3 MB in the beginning and 317.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 383.98 ms. Allocated memory is still 339.7 MB. Free memory was 317.2 MB in the beginning and 300.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 367720.72 ms. Allocated memory was 339.7 MB in the beginning and 499.1 MB in the end (delta: 159.4 MB). Free memory was 299.6 MB in the beginning and 256.5 MB in the end (delta: 43.1 MB). Peak memory consumption was 202.7 MB. Max. memory is 16.0 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...