/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 22:35:36,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 22:35:36,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 22:35:36,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 22:35:36,944 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-Sleep-NoLbe-Delay.epf [2021-02-19 22:35:36,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 22:35:36,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 22:35:36,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 22:35:36,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 22:35:36,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 22:35:36,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 22:35:36,973 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 22:35:36,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 22:35:36,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 22:35:36,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 22:35:36,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 22:35:36,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:35:36,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 22:35:36,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 22:35:36,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 22:35:36,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 22:35:36,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 22:35:36,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 22:35:36,976 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 22:35:36,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 22:35:37,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 22:35:37,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 22:35:37,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 22:35:37,254 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 22:35:37,254 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 22:35:37,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-02-19 22:35:37,255 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-02-19 22:35:37,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 22:35:37,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 22:35:37,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 22:35:37,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 22:35:37,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 22:35:37,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 22:35:37,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 22:35:37,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 22:35:37,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 22:35:37,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/1) ... [2021-02-19 22:35:37,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 22:35:37,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 22:35:37,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 22:35:37,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 22:35:37,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (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 [2021-02-19 22:35:37,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 22:35:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 22:35:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 22:35:37,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 22:35:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 22:35:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 22:35:37,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 22:35:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 22:35:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 22:35:37,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 22:35:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 22:35:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 22:35:37,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 22:35:37,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 22:35:37,515 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 22:35:37,516 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:35:37 BoogieIcfgContainer [2021-02-19 22:35:37,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 22:35:37,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 22:35:37,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 22:35:37,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 22:35:37,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:35:37" (1/2) ... [2021-02-19 22:35:37,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e264a11 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:35:37, skipping insertion in model container [2021-02-19 22:35:37,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:35:37" (2/2) ... [2021-02-19 22:35:37,520 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-02-19 22:35:37,523 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 22:35:37,523 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 22:35:37,525 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 22:35:37,526 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 22:35:37,550 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 22:35:37,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-02-19 22:35:37,579 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 22:35:37,579 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 22:35:37,579 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 22:35:37,579 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 22:35:37,579 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 22:35:37,579 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 22:35:37,580 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 22:35:37,580 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 22:35:37,608 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:37,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-02-19 22:35:37,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:37,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910518598] [2021-02-19 22:35:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:37,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910518598] [2021-02-19 22:35:37,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:35:37,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:35:37,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589684349] [2021-02-19 22:35:37,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 22:35:37,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:37,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 22:35:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 22:35:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:37,782 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:37,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2021-02-19 22:35:37,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:37,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:37,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 22:35:37,927 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:37,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:37,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-02-19 22:35:37,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:37,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767842085] [2021-02-19 22:35:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:37,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767842085] [2021-02-19 22:35:37,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:35:37,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:35:37,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239801123] [2021-02-19 22:35:37,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 22:35:37,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:37,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 22:35:37,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 22:35:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:37,994 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:37,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-02-19 22:35:37,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:38,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 22:35:38,036 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:38,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-02-19 22:35:38,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:38,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469290380] [2021-02-19 22:35:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:38,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469290380] [2021-02-19 22:35:38,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027234651] [2021-02-19 22:35:38,340 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 [2021-02-19 22:35:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:38,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-02-19 22:35:38,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:38,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:35:38,565 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 11 treesize of output 7 [2021-02-19 22:35:38,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:35:38,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:35:38,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:35:38,582 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-02-19 22:35:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:38,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:38,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:35:38,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441758562] [2021-02-19 22:35:38,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:35:38,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:38,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:35:38,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:35:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:38,607 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:38,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-02-19 22:35:38,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:38,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:38,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:38,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:38,966 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:38,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:38,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-02-19 22:35:38,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:38,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883768167] [2021-02-19 22:35:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:39,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883768167] [2021-02-19 22:35:39,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205803548] [2021-02-19 22:35:39,041 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 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 [2021-02-19 22:35:39,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:35:39,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:39,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:35:39,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:39,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:39,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:35:39,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698877917] [2021-02-19 22:35:39,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:35:39,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:39,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:35:39,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:35:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:39,199 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:39,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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) [2021-02-19 22:35:39,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:39,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:39,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:39,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:39,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:39,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:39,562 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:39,562 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-02-19 22:35:39,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:39,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628173876] [2021-02-19 22:35:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:39,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628173876] [2021-02-19 22:35:39,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443271813] [2021-02-19 22:35:39,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-02-19 22:35:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:39,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:35:39,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:39,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:39,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:35:39,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260770425] [2021-02-19 22:35:39,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 22:35:39,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:39,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 22:35:39,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-19 22:35:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:39,731 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:39,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 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) [2021-02-19 22:35:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:40,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:40,006 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:40,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:40,006 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-02-19 22:35:40,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:40,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102745023] [2021-02-19 22:35:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:40,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102745023] [2021-02-19 22:35:40,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761539644] [2021-02-19 22:35:40,306 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 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 [2021-02-19 22:35:40,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:35:40,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:40,341 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-02-19 22:35:40,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:40,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:40,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:35:40,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-02-19 22:35:40,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-02-19 22:35:40,913 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-02-19 22:35:40,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:35:40,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-02-19 22:35:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:41,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:41,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-02-19 22:35:41,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859828486] [2021-02-19 22:35:41,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-19 22:35:41,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:41,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-19 22:35:41,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-02-19 22:35:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:41,029 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:41,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:41,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-02-19 22:35:41,686 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:41,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:41,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-02-19 22:35:41,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:41,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812887745] [2021-02-19 22:35:41,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:41,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812887745] [2021-02-19 22:35:41,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097317593] [2021-02-19 22:35:41,750 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 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 [2021-02-19 22:35:41,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 22:35:41,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:41,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:35:41,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:41,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:41,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 22:35:41,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120673663] [2021-02-19 22:35:41,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 22:35:41,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 22:35:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-02-19 22:35:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:41,928 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:41,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 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) [2021-02-19 22:35:41,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:41,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:41,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:41,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:41,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:41,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:41,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:42,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:42,488 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:42,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:42,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-02-19 22:35:42,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:42,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532632393] [2021-02-19 22:35:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:42,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532632393] [2021-02-19 22:35:42,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020114998] [2021-02-19 22:35:42,557 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 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 [2021-02-19 22:35:42,580 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:35:42,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:42,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:35:42,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:42,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:42,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-02-19 22:35:42,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079511235] [2021-02-19 22:35:42,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 22:35:42,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:42,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 22:35:42,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-02-19 22:35:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:42,684 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:42,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 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) [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:42,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:43,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:43,002 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:43,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:43,002 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-02-19 22:35:43,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:43,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661895213] [2021-02-19 22:35:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:43,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661895213] [2021-02-19 22:35:43,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568011638] [2021-02-19 22:35:43,489 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 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 [2021-02-19 22:35:43,516 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 22:35:43,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:43,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 22:35:43,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:44,189 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-02-19 22:35:44,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-02-19 22:35:44,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:35:44,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:35:44,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:35:44,199 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-02-19 22:35:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:44,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:44,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-02-19 22:35:44,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917667452] [2021-02-19 22:35:44,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-19 22:35:44,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:44,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-19 22:35:44,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-02-19 22:35:44,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:44,238 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:44,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:45,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:45,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-02-19 22:35:45,582 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:45,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:45,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1269275527, now seen corresponding path program 6 times [2021-02-19 22:35:45,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:45,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314734943] [2021-02-19 22:35:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:45,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314734943] [2021-02-19 22:35:45,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849738870] [2021-02-19 22:35:45,680 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 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 [2021-02-19 22:35:45,718 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 22:35:45,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:45,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:35:45,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:45,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:45,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-02-19 22:35:45,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277318955] [2021-02-19 22:35:45,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-02-19 22:35:45,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:45,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-02-19 22:35:45,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-02-19 22:35:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:45,960 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:45,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 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) [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:45,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:46,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:46,839 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:46,840 INFO L82 PathProgramCache]: Analyzing trace with hash -99220533, now seen corresponding path program 7 times [2021-02-19 22:35:46,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:46,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403395294] [2021-02-19 22:35:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:46,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403395294] [2021-02-19 22:35:46,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030056384] [2021-02-19 22:35:46,936 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 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 [2021-02-19 22:35:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:46,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:35:46,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:47,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:47,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-02-19 22:35:47,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659145874] [2021-02-19 22:35:47,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 22:35:47,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:47,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 22:35:47,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-02-19 22:35:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:47,148 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:47,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 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) [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:47,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:47,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:47,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:47,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:47,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:47,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:47,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:35:47,531 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:47,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:47,531 INFO L82 PathProgramCache]: Analyzing trace with hash 979667625, now seen corresponding path program 8 times [2021-02-19 22:35:47,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:47,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356282341] [2021-02-19 22:35:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:48,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356282341] [2021-02-19 22:35:48,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166675506] [2021-02-19 22:35:48,389 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 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 [2021-02-19 22:35:48,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:35:48,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:48,417 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-02-19 22:35:48,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:49,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:35:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:49,274 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 51 treesize of output 23 [2021-02-19 22:35:49,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:35:49,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:35:49,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:35:49,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-02-19 22:35:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:49,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:49,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-02-19 22:35:49,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782911339] [2021-02-19 22:35:49,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-19 22:35:49,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:49,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-19 22:35:49,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1324, Unknown=0, NotChecked=0, Total=1482 [2021-02-19 22:35:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:49,319 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:49,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 states have internal predecessors, (83), 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) [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:50,305 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2021-02-19 22:35:50,563 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-02-19 22:35:50,981 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-02-19 22:35:51,215 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-02-19 22:35:51,410 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-02-19 22:35:53,973 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-02-19 22:35:54,236 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2021-02-19 22:35:54,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:54,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-02-19 22:35:54,454 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:54,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1070557497, now seen corresponding path program 9 times [2021-02-19 22:35:54,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:54,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142218232] [2021-02-19 22:35:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:54,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142218232] [2021-02-19 22:35:54,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226748693] [2021-02-19 22:35:54,639 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 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 [2021-02-19 22:35:54,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-02-19 22:35:54,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-19 22:35:54,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:55,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:55,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-02-19 22:35:55,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358221189] [2021-02-19 22:35:55,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-02-19 22:35:55,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:55,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-02-19 22:35:55,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-02-19 22:35:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:55,148 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:55,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 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) [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:55,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:35:56,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-02-19 22:35:56,510 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:56,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1087414517, now seen corresponding path program 10 times [2021-02-19 22:35:56,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:56,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099103037] [2021-02-19 22:35:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:56,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099103037] [2021-02-19 22:35:56,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435137496] [2021-02-19 22:35:56,689 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 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 [2021-02-19 22:35:56,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:35:56,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:56,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-19 22:35:56,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:35:56,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:56,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-02-19 22:35:56,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066292972] [2021-02-19 22:35:56,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 22:35:56,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:56,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 22:35:56,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-02-19 22:35:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:56,952 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:56,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 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) [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:35:56,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:35:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:35:57,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-02-19 22:35:57,418 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:35:57,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:35:57,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1703184617, now seen corresponding path program 11 times [2021-02-19 22:35:57,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:35:57,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700957701] [2021-02-19 22:35:57,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:35:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:35:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:58,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700957701] [2021-02-19 22:35:58,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728518207] [2021-02-19 22:35:58,664 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 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 [2021-02-19 22:35:58,699 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-02-19 22:35:58,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:35:58,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-02-19 22:35:58,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:35:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:35:59,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:35:59,924 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 69 treesize of output 29 [2021-02-19 22:35:59,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:35:59,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:35:59,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:35:59,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-02-19 22:35:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:35:59,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:35:59,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-02-19 22:35:59,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214423316] [2021-02-19 22:35:59,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-02-19 22:35:59,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:35:59,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-02-19 22:35:59,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2414, Unknown=0, NotChecked=0, Total=2652 [2021-02-19 22:35:59,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:35:59,985 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:35:59,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 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) [2021-02-19 22:35:59,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:35:59,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:35:59,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:35:59,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:02,572 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-19 22:36:02,942 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-02-19 22:36:03,248 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-02-19 22:36:03,479 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-02-19 22:36:08,622 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-02-19 22:36:08,954 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-02-19 22:36:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:09,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:36:09,181 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:36:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:36:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1887931143, now seen corresponding path program 12 times [2021-02-19 22:36:09,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:36:09,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777816120] [2021-02-19 22:36:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:36:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:36:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:09,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777816120] [2021-02-19 22:36:09,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257945188] [2021-02-19 22:36:09,476 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 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 [2021-02-19 22:36:09,513 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-02-19 22:36:09,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:36:09,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-02-19 22:36:09,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:36:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:10,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:36:10,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-02-19 22:36:10,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365164005] [2021-02-19 22:36:10,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-02-19 22:36:10,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:36:10,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-02-19 22:36:10,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-02-19 22:36:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:10,223 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:36:10,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 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) [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:10,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:10,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:12,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-02-19 22:36:12,474 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:36:12,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:36:12,474 INFO L82 PathProgramCache]: Analyzing trace with hash -965594293, now seen corresponding path program 13 times [2021-02-19 22:36:12,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:36:12,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571545070] [2021-02-19 22:36:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:36:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:36:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:36:12,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571545070] [2021-02-19 22:36:12,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526222231] [2021-02-19 22:36:12,748 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 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 [2021-02-19 22:36:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:36:12,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-02-19 22:36:12,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:36:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:36:13,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:36:13,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-02-19 22:36:13,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256109644] [2021-02-19 22:36:13,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-19 22:36:13,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:36:13,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-19 22:36:13,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-02-19 22:36:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:13,129 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:36:13,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 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) [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:36:13,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:36:13,695 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:36:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:36:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1727103017, now seen corresponding path program 14 times [2021-02-19 22:36:13,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:36:13,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600743262] [2021-02-19 22:36:13,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:36:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:36:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:15,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600743262] [2021-02-19 22:36:15,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278506601] [2021-02-19 22:36:15,587 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 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 [2021-02-19 22:36:15,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:36:15,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:36:15,622 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-02-19 22:36:15,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:36:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:36:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:18,040 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 87 treesize of output 35 [2021-02-19 22:36:18,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:36:18,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:36:18,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:36:18,048 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-02-19 22:36:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:18,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:36:18,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-02-19 22:36:18,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247161675] [2021-02-19 22:36:18,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-02-19 22:36:18,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:36:18,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-02-19 22:36:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-02-19 22:36:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:18,129 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:36:18,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 states have internal predecessors, (131), 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) [2021-02-19 22:36:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:36:18,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:21,678 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-02-19 22:36:22,096 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-02-19 22:36:22,334 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-02-19 22:36:22,543 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-02-19 22:36:22,777 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-02-19 22:36:23,083 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-02-19 22:36:31,193 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-02-19 22:36:32,638 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:36:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:36:32,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-02-19 22:36:32,897 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:36:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:36:32,897 INFO L82 PathProgramCache]: Analyzing trace with hash -80049687, now seen corresponding path program 15 times [2021-02-19 22:36:32,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:36:32,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468484568] [2021-02-19 22:36:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:36:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:36:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:35,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468484568] [2021-02-19 22:36:35,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538881739] [2021-02-19 22:36:35,173 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 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 [2021-02-19 22:36:35,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-02-19 22:36:35,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:36:35,220 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-02-19 22:36:35,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:36:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:36:39,190 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-02-19 22:36:39,417 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-02-19 22:36:39,417 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:36:39,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-02-19 22:36:40,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-02-19 22:36:40,583 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-02-19 22:36:40,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 22:36:40,594 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-02-19 22:36:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:36:40,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:36:40,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-02-19 22:36:40,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275862392] [2021-02-19 22:36:40,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-02-19 22:36:40,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:36:40,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-02-19 22:36:40,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-02-19 22:36:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:40,867 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:36:40,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 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) [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:36:40,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:36:44,688 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-02-19 22:36:44,976 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-02-19 22:36:45,304 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-02-19 22:36:45,594 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-02-19 22:36:45,920 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-02-19 22:36:46,195 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-02-19 22:36:46,508 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-02-19 22:36:47,220 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-02-19 22:36:47,843 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-19 22:36:48,272 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-02-19 22:36:48,563 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-02-19 22:36:48,874 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-02-19 22:36:49,299 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-02-19 22:37:01,753 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-02-19 22:37:02,032 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-02-19 22:37:02,480 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-02-19 22:37:02,834 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:37:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:37:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:37:03,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-02-19 22:37:03,082 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:37:03,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:37:03,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1291713367, now seen corresponding path program 16 times [2021-02-19 22:37:03,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:37:03,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332746404] [2021-02-19 22:37:03,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:37:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:37:04,670 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-02-19 22:37:04,850 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-02-19 22:37:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:37:07,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332746404] [2021-02-19 22:37:07,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486416310] [2021-02-19 22:37:07,032 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 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 [2021-02-19 22:37:07,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:37:07,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:37:07,071 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-02-19 22:37:07,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:37:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:37:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:12,794 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 99 treesize of output 39 [2021-02-19 22:37:12,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:37:12,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:37:12,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:37:12,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-02-19 22:37:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:37:12,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:37:12,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-02-19 22:37:12,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785091497] [2021-02-19 22:37:12,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-19 22:37:12,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:37:12,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-19 22:37:12,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-02-19 22:37:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:37:12,963 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:37:12,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 states have internal predecessors, (147), 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) [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:37:12,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:37:14,509 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-02-19 22:37:15,176 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-02-19 22:37:17,135 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-02-19 22:37:19,433 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-02-19 22:37:19,855 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-02-19 22:37:20,209 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-02-19 22:37:20,673 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-02-19 22:37:21,000 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-02-19 22:37:21,441 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-02-19 22:37:21,778 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-02-19 22:37:22,156 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-02-19 22:37:22,498 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-02-19 22:37:23,147 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-02-19 22:37:23,853 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-02-19 22:37:24,770 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-02-19 22:37:25,638 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-02-19 22:37:26,318 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-02-19 22:37:26,993 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-02-19 22:37:27,711 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-02-19 22:37:28,219 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-02-19 22:37:29,166 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-02-19 22:37:29,803 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-02-19 22:37:31,895 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:37:32,157 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-02-19 22:37:34,732 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-02-19 22:37:35,363 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-02-19 22:37:36,604 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:37:40,716 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:37:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:37:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:37:41,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-02-19 22:37:41,549 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:37:41,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:37:41,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1768476567, now seen corresponding path program 17 times [2021-02-19 22:37:41,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:37:41,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154234027] [2021-02-19 22:37:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:37:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:37:42,111 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-02-19 22:37:42,261 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-02-19 22:37:42,396 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-02-19 22:37:42,542 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-02-19 22:37:42,680 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-02-19 22:37:42,822 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-02-19 22:37:42,977 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-02-19 22:37:43,138 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-02-19 22:37:43,292 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-02-19 22:37:43,466 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-19 22:37:43,632 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-02-19 22:37:43,817 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-02-19 22:37:44,004 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-19 22:37:44,261 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-02-19 22:37:44,539 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-02-19 22:37:45,027 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-19 22:37:45,659 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-02-19 22:37:45,888 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-02-19 22:37:46,284 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-02-19 22:37:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:37:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154234027] [2021-02-19 22:37:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358676460] [2021-02-19 22:37:48,133 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 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 [2021-02-19 22:37:48,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-02-19 22:37:48,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:37:48,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-02-19 22:37:48,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:37:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:37:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:37:57,483 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 105 treesize of output 41 [2021-02-19 22:37:57,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:37:57,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:37:57,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:37:57,516 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-02-19 22:37:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:37:57,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:37:57,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-02-19 22:37:57,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320207605] [2021-02-19 22:37:57,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-02-19 22:37:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:37:57,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-02-19 22:37:57,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-02-19 22:37:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:37:57,744 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:37:57,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 states have internal predecessors, (155), 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) [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:37:57,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:37:57,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:37:58,767 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:37:59,440 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-02-19 22:38:00,003 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-02-19 22:38:00,638 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-02-19 22:38:01,067 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-02-19 22:38:01,690 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-02-19 22:38:02,091 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-02-19 22:38:02,694 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-02-19 22:38:03,137 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-02-19 22:38:03,801 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-02-19 22:38:04,189 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-02-19 22:38:04,802 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-02-19 22:38:05,198 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-02-19 22:38:05,821 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:38:06,215 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-02-19 22:38:06,852 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-02-19 22:38:07,248 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-19 22:38:07,906 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-02-19 22:38:08,306 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-02-19 22:38:08,947 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:38:09,340 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-02-19 22:38:09,969 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-02-19 22:38:10,408 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-02-19 22:38:11,096 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-02-19 22:38:11,524 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-02-19 22:38:12,334 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-02-19 22:38:12,897 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-02-19 22:38:13,932 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-02-19 22:38:15,156 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-02-19 22:38:15,954 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-02-19 22:38:16,622 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-19 22:38:17,398 WARN L202 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-02-19 22:38:18,496 WARN L202 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-02-19 22:38:19,264 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:38:19,875 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-02-19 22:38:20,495 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-02-19 22:38:21,126 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-02-19 22:38:21,775 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-02-19 22:38:22,431 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:38:23,115 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-02-19 22:38:23,810 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-02-19 22:38:24,509 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-02-19 22:38:25,247 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-02-19 22:38:25,996 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-02-19 22:38:26,762 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-02-19 22:38:27,548 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-02-19 22:38:27,964 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:38:28,341 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-02-19 22:38:32,233 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-02-19 22:38:33,223 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-02-19 22:38:34,048 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-02-19 22:38:35,134 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-02-19 22:38:36,048 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-02-19 22:38:37,088 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-02-19 22:38:37,673 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-02-19 22:38:38,160 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 22:38:39,244 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-02-19 22:38:40,173 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:38:41,259 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-02-19 22:38:42,201 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-19 22:38:43,251 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-02-19 22:38:44,201 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 22:38:45,219 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-02-19 22:38:46,155 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 22:38:47,200 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-02-19 22:38:48,091 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 22:38:49,135 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-02-19 22:38:50,057 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 22:38:51,081 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-02-19 22:38:52,036 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 22:38:53,106 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-02-19 22:38:54,012 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 22:38:55,022 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-02-19 22:38:55,939 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 22:38:56,947 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-02-19 22:38:58,794 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-02-19 22:39:00,072 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-02-19 22:39:00,769 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-02-19 22:39:01,564 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-02-19 22:39:02,283 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-02-19 22:39:03,383 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-02-19 22:39:04,258 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:39:04,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:39:04,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:39:04,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:39:04,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:39:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-02-19 22:39:04,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-02-19 22:39:04,645 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:39:04,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:39:04,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2008632617, now seen corresponding path program 18 times [2021-02-19 22:39:04,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:39:04,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337473470] [2021-02-19 22:39:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:39:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:39:05,134 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-02-19 22:39:05,474 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-02-19 22:39:05,733 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-02-19 22:39:05,991 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-02-19 22:39:06,250 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-02-19 22:39:06,515 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-02-19 22:39:06,808 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-02-19 22:39:07,124 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-02-19 22:39:07,447 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-02-19 22:39:07,781 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-02-19 22:39:08,105 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-19 22:39:08,414 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-02-19 22:39:08,727 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-02-19 22:39:09,076 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-19 22:39:09,404 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-02-19 22:39:09,866 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-02-19 22:39:10,386 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-02-19 22:39:10,663 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 22:39:10,927 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 22:39:11,578 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-19 22:39:12,397 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 22:39:12,815 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-02-19 22:39:13,253 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-02-19 22:39:13,962 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-02-19 22:39:14,311 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-02-19 22:39:14,693 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-02-19 22:39:15,080 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-02-19 22:39:15,481 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-02-19 22:39:15,896 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-02-19 22:39:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:39:17,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337473470] [2021-02-19 22:39:17,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752481336] [2021-02-19 22:39:17,314 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 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 [2021-02-19 22:39:17,366 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-02-19 22:39:17,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:39:17,368 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-02-19 22:39:17,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:39:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:39:37,000 INFO L244 Elim1Store]: Index analysis took 510 ms [2021-02-19 22:39:37,346 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 22:39:37,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:39:37,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-02-19 22:39:37,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-02-19 22:39:37,693 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-02-19 22:39:37,695 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-02-19 22:39:37,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:39:37,710 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-02-19 22:39:38,237 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-02-19 22:39:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:39:38,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:39:38,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-02-19 22:39:38,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978417675] [2021-02-19 22:39:38,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-02-19 22:39:38,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:39:38,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-02-19 22:39:38,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-02-19 22:39:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:39:38,648 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:39:38,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 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) [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-02-19 22:39:38,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:39:40,621 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:39:41,969 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-02-19 22:39:43,168 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-02-19 22:39:44,357 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-02-19 22:39:45,150 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-02-19 22:39:46,348 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-02-19 22:39:47,096 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-02-19 22:39:48,236 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-02-19 22:39:49,080 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-02-19 22:39:50,276 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-02-19 22:39:51,113 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-02-19 22:39:52,366 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-02-19 22:39:53,216 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-02-19 22:39:54,432 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:39:55,200 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-02-19 22:39:56,389 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-02-19 22:39:57,168 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-19 22:39:58,384 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-02-19 22:39:59,182 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-02-19 22:40:00,454 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:40:01,270 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-02-19 22:40:03,153 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-02-19 22:40:04,350 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-02-19 22:40:05,862 WARN L202 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-02-19 22:40:07,020 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-02-19 22:40:08,825 WARN L202 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-02-19 22:40:10,235 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-02-19 22:40:11,766 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-02-19 22:40:12,870 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-02-19 22:40:15,169 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-02-19 22:40:17,905 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-02-19 22:40:19,532 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-02-19 22:40:21,168 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-02-19 22:40:22,880 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-02-19 22:40:25,073 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-02-19 22:40:25,806 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 22:40:26,702 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-02-19 22:40:26,962 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 22:40:27,789 WARN L202 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:40:28,059 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 22:40:28,924 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-02-19 22:40:29,199 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 22:40:30,034 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-02-19 22:40:30,348 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 22:40:31,328 WARN L202 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-02-19 22:40:31,655 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 22:40:32,636 WARN L202 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-02-19 22:40:32,948 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:40:33,909 WARN L202 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:40:34,269 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 22:40:35,262 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-02-19 22:40:35,653 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-19 22:40:36,622 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-02-19 22:40:36,997 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-02-19 22:40:37,926 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-02-19 22:40:38,322 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-02-19 22:40:39,351 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-02-19 22:40:39,761 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-02-19 22:40:40,820 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-02-19 22:40:41,302 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-02-19 22:40:42,389 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-02-19 22:40:42,837 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-02-19 22:40:43,880 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-02-19 22:40:44,636 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:40:45,313 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-02-19 22:40:45,769 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-02-19 22:40:48,705 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-02-19 22:40:50,201 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-19 22:40:53,331 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-02-19 22:40:55,256 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-02-19 22:40:56,903 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-02-19 22:40:59,077 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-02-19 22:40:59,933 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-19 22:41:00,994 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-02-19 22:41:03,487 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-02-19 22:41:04,736 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-02-19 22:41:05,787 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 22:41:07,888 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-02-19 22:41:08,806 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-02-19 22:41:09,828 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:41:12,175 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-02-19 22:41:13,171 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-19 22:41:14,248 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-19 22:41:16,477 WARN L202 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-02-19 22:41:17,467 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-02-19 22:41:18,503 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 22:41:20,704 WARN L202 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-02-19 22:41:21,730 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-19 22:41:22,728 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 22:41:24,793 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-02-19 22:41:25,699 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-02-19 22:41:26,631 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 22:41:28,611 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-02-19 22:41:29,564 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:41:30,516 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 22:41:32,606 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-02-19 22:41:33,582 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 22:41:34,579 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 22:41:36,608 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-02-19 22:41:37,516 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 22:41:38,371 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 22:41:40,302 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-02-19 22:41:41,254 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 22:41:42,220 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 22:41:44,254 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-02-19 22:41:45,242 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 22:41:46,191 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 22:41:48,229 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-02-19 22:41:49,183 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-19 22:41:50,293 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 22:41:52,104 WARN L202 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-02-19 22:41:53,052 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 22:41:54,479 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-02-19 22:41:55,853 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-02-19 22:41:57,045 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-02-19 22:41:58,361 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-02-19 22:42:00,601 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-02-19 22:42:02,538 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:42:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:42:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-02-19 22:42:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-19 22:42:03,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-02-19 22:42:03,107 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:42:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:42:03,107 INFO L82 PathProgramCache]: Analyzing trace with hash 899128041, now seen corresponding path program 19 times [2021-02-19 22:42:03,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:42:03,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223290413] [2021-02-19 22:42:03,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:42:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:42:03,607 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-02-19 22:42:03,817 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-02-19 22:42:03,966 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-02-19 22:42:04,371 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-02-19 22:42:04,804 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-02-19 22:42:05,246 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-02-19 22:42:05,694 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-02-19 22:42:06,173 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-02-19 22:42:06,630 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-02-19 22:42:07,143 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-02-19 22:42:07,672 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-02-19 22:42:08,190 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-02-19 22:42:08,729 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-19 22:42:09,309 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-02-19 22:42:09,794 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-02-19 22:42:10,179 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-02-19 22:42:10,580 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-02-19 22:42:10,999 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-19 22:42:11,616 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-02-19 22:42:12,283 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-02-19 22:42:12,614 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 22:42:12,934 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 22:42:13,507 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 22:42:14,009 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-02-19 22:42:14,623 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 22:42:15,486 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-02-19 22:42:16,019 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-02-19 22:42:16,960 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-02-19 22:42:17,817 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-02-19 22:42:18,305 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-02-19 22:42:18,807 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-02-19 22:42:19,303 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-02-19 22:42:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:42:21,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223290413] [2021-02-19 22:42:21,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783399079] [2021-02-19 22:42:21,103 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 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 [2021-02-19 22:42:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:42:21,154 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-02-19 22:42:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:42:40,725 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 22:42:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:42:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:42:44,304 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-02-19 22:42:44,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-02-19 22:42:44,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:42:44,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:42:44,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:42:44,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-02-19 22:42:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:42:44,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:42:44,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-02-19 22:42:44,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920696520] [2021-02-19 22:42:44,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-19 22:42:44,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:42:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-19 22:42:44,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-02-19 22:42:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:42:44,865 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:42:44,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 states have internal predecessors, (171), 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) [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-02-19 22:42:44,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:42:47,086 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:42:48,472 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-02-19 22:42:49,747 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-02-19 22:42:50,980 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-02-19 22:42:52,007 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-02-19 22:42:53,337 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-02-19 22:42:54,143 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-02-19 22:42:55,365 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-02-19 22:42:56,314 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-02-19 22:42:57,659 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-02-19 22:42:58,503 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-02-19 22:42:59,799 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:43:00,649 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-02-19 22:43:01,963 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-02-19 22:43:02,853 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-02-19 22:43:04,175 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-02-19 22:43:05,014 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-19 22:43:06,402 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-02-19 22:43:07,231 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-02-19 22:43:08,597 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:43:09,414 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-02-19 22:43:10,897 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-02-19 22:43:11,771 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-02-19 22:43:13,268 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-02-19 22:43:14,173 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-02-19 22:43:15,509 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-02-19 22:43:16,389 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-02-19 22:43:17,785 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-02-19 22:43:18,650 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-02-19 22:43:20,189 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-02-19 22:43:21,285 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-02-19 22:43:23,829 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-02-19 22:43:26,434 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-02-19 22:43:27,832 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-02-19 22:43:29,337 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-19 22:43:30,864 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-02-19 22:43:33,232 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-02-19 22:43:33,933 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 22:43:34,809 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-02-19 22:43:35,170 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 22:43:36,009 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-02-19 22:43:36,395 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 22:43:37,242 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-02-19 22:43:37,655 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 22:43:38,490 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-02-19 22:43:38,916 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 22:43:39,756 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-02-19 22:43:40,181 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 22:43:41,054 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-02-19 22:43:41,523 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 22:43:42,386 WARN L202 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-02-19 22:43:42,839 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:43:43,743 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-02-19 22:43:44,198 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 22:43:45,098 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-02-19 22:43:45,625 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-19 22:43:46,603 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-02-19 22:43:47,109 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-02-19 22:43:48,030 WARN L202 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-02-19 22:43:48,550 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-02-19 22:43:49,549 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-02-19 22:43:50,087 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-02-19 22:43:51,101 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-02-19 22:43:51,703 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-02-19 22:43:52,769 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-02-19 22:43:53,362 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-02-19 22:43:54,376 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-02-19 22:43:55,257 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-02-19 22:43:56,025 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-02-19 22:43:56,548 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-02-19 22:43:59,251 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-02-19 22:44:00,626 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-19 22:44:03,446 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-02-19 22:44:04,990 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-02-19 22:44:06,429 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-02-19 22:44:08,262 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-02-19 22:44:08,972 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-19 22:44:09,821 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-02-19 22:44:11,654 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-02-19 22:44:12,739 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-02-19 22:44:13,599 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 22:44:15,392 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-02-19 22:44:16,173 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-02-19 22:44:17,027 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:44:18,788 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-02-19 22:44:19,551 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-19 22:44:20,383 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-19 22:44:22,106 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-02-19 22:44:22,879 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-02-19 22:44:23,724 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 22:44:25,570 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-02-19 22:44:26,343 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-19 22:44:27,109 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 22:44:28,736 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-02-19 22:44:29,471 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-02-19 22:44:30,213 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 22:44:31,868 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-02-19 22:44:32,700 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-19 22:44:33,483 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 22:44:35,059 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-02-19 22:44:35,795 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 22:44:36,535 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 22:44:38,084 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-02-19 22:44:38,869 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 22:44:39,583 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 22:44:41,164 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-02-19 22:44:41,925 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 22:44:42,672 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 22:44:44,226 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-02-19 22:44:44,961 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 22:44:45,688 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 22:44:47,244 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-02-19 22:44:47,960 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-19 22:44:48,664 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 22:44:50,234 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-02-19 22:44:50,974 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 22:44:51,817 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 22:44:53,284 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-02-19 22:44:54,031 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 22:44:55,279 WARN L202 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-02-19 22:44:56,358 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-02-19 22:44:57,379 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-02-19 22:44:58,445 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-02-19 22:45:00,222 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-02-19 22:45:01,658 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:45:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-02-19 22:45:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-19 22:45:01,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-02-19 22:45:02,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:45:02,142 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:45:02,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:45:02,142 INFO L82 PathProgramCache]: Analyzing trace with hash 13719977, now seen corresponding path program 20 times [2021-02-19 22:45:02,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:45:02,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286352955] [2021-02-19 22:45:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:45:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:45:02,707 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-02-19 22:45:02,903 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 Received shutdown request... [2021-02-19 22:45:03,111 WARN L219 SmtUtils]: Removed 6 from assertion stack [2021-02-19 22:45:03,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable621 [2021-02-19 22:45:03,112 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 22:45:03,115 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 22:45:03,116 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:45:03 BasicIcfg [2021-02-19 22:45:03,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 22:45:03,116 INFO L168 Benchmark]: Toolchain (without parser) took 565838.62 ms. Allocated memory was 255.9 MB in the beginning and 612.4 MB in the end (delta: 356.5 MB). Free memory was 236.5 MB in the beginning and 353.8 MB in the end (delta: -117.3 MB). Peak memory consumption was 239.7 MB. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 INFO L168 Benchmark]: Boogie Preprocessor took 12.81 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 969.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 INFO L168 Benchmark]: RCFGBuilder took 202.56 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 236.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 INFO L168 Benchmark]: TraceAbstraction took 565598.91 ms. Allocated memory was 255.9 MB in the beginning and 612.4 MB in the end (delta: 356.5 MB). Free memory was 236.0 MB in the beginning and 353.8 MB in the end (delta: -117.9 MB). Peak memory consumption was 237.9 MB. Max. memory is 16.0 GB. [2021-02-19 22:45:03,117 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 0.10 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.81 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 969.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 202.56 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 236.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 565598.91 ms. Allocated memory was 255.9 MB in the beginning and 612.4 MB in the end (delta: 356.5 MB). Free memory was 236.0 MB in the beginning and 353.8 MB in the end (delta: -117.9 MB). Peak memory consumption was 237.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while PartialOrderCegarLoop was analyzing trace of length 95 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 34 for 13ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 565.5s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 124.3s InterpolantComputationTime, 2274 NumberOfCodeBlocks, 2274 NumberOfCodeBlocksAsserted, 141 NumberOfCheckSat, 2230 ConstructedInterpolants, 262 QuantifiedInterpolants, 8874064 SizeOfPredicates, 107 NumberOfNonLiveVariables, 2858 ConjunctsInSsa, 1239 ConjunctsInUnsatCore, 44 InterpolantComputations, 2 PerfectInterpolantSequences, 1540/8185 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown