/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 10:40:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 10:40:07,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 10:40:07,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 10:40:07,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 10:40:07,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 10:40:07,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 10:40:07,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 10:40:07,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 10:40:07,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 10:40:07,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 10:40:07,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 10:40:07,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 10:40:07,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 10:40:07,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 10:40:07,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 10:40:07,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 10:40:07,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 10:40:07,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 10:40:07,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 10:40:07,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 10:40:07,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 10:40:07,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 10:40:07,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 10:40:07,450 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 10:40:07,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 10:40:07,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 10:40:07,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 10:40:07,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 10:40:07,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 10:40:07,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 10:40:07,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 10:40:07,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 10:40:07,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 10:40:07,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 10:40:07,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 10:40:07,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 10:40:07,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 10:40:07,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 10:40:07,455 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 10:40:07,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 10:40:07,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 10:40:07,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 10:40:07,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 10:40:07,822 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 10:40:07,823 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 10:40:07,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-06-06 10:40:07,825 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-06-06 10:40:07,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 10:40:07,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 10:40:07,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 10:40:07,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 10:40:07,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 10:40:07,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 10:40:07,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 10:40:07,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 10:40:07,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 10:40:07,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... [2021-06-06 10:40:07,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 10:40:07,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 10:40:07,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 10:40:07,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 10:40:07,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 10:40:08,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 10:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 10:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 10:40:08,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 10:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 10:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 10:40:08,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 10:40:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 10:40:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 10:40:08,012 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 10:40:08,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 10:40:08,201 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 10:40:08,203 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:40:08 BoogieIcfgContainer [2021-06-06 10:40:08,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 10:40:08,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 10:40:08,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 10:40:08,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 10:40:08,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:40:07" (1/2) ... [2021-06-06 10:40:08,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432bb9e8 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:40:08, skipping insertion in model container [2021-06-06 10:40:08,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:40:08" (2/2) ... [2021-06-06 10:40:08,209 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-06 10:40:08,229 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 10:40:08,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 10:40:08,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 10:40:08,230 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 10:40:08,277 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 10:40:08,293 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 10:40:08,341 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 10:40:08,341 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 10:40:08,342 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 10:40:08,342 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 10:40:08,342 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 10:40:08,342 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 10:40:08,342 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 10:40:08,342 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 10:40:08,425 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:08,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:08,430 INFO L82 PathProgramCache]: Analyzing trace with hash 556383795, now seen corresponding path program 1 times [2021-06-06 10:40:08,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:08,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660416276] [2021-06-06 10:40:08,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:08,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:08,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660416276] [2021-06-06 10:40:08,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660416276] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:40:08,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:40:08,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 10:40:08,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212711745] [2021-06-06 10:40:08,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 10:40:08,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:08,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 10:40:08,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 10:40:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:08,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:08,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:08,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:08,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 10:40:08,596 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 561488305, now seen corresponding path program 1 times [2021-06-06 10:40:08,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:08,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791640950] [2021-06-06 10:40:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:40:08,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:08,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791640950] [2021-06-06 10:40:08,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791640950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:40:08,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:40:08,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 10:40:08,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210507968] [2021-06-06 10:40:08,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 10:40:08,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:08,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 10:40:08,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 10:40:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:08,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:08,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:08,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:08,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:08,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 10:40:08,680 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:08,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:08,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1689660735, now seen corresponding path program 1 times [2021-06-06 10:40:08,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:08,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167616801] [2021-06-06 10:40:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:08,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:08,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167616801] [2021-06-06 10:40:08,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167616801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:08,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968824776] [2021-06-06 10:40:08,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:09,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 10:40:09,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:09,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968824776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:09,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:09,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 10:40:09,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506382599] [2021-06-06 10:40:09,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 10:40:09,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:09,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 10:40:09,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-06 10:40:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:09,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:09,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:09,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:09,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:09,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:09,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:09,988 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:09,989 INFO L82 PathProgramCache]: Analyzing trace with hash -152537733, now seen corresponding path program 2 times [2021-06-06 10:40:09,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:09,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167471482] [2021-06-06 10:40:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:10,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:10,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167471482] [2021-06-06 10:40:10,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167471482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:10,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637908370] [2021-06-06 10:40:10,280 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 [2021-06-06 10:40:10,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:40:10,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:10,315 WARN L261 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 10:40:10,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:10,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637908370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:10,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:10,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 10:40:10,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444984905] [2021-06-06 10:40:10,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 10:40:10,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 10:40:10,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-06 10:40:10,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:10,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:10,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 24 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:11,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:11,229 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:11,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:11,229 INFO L82 PathProgramCache]: Analyzing trace with hash 659718333, now seen corresponding path program 3 times [2021-06-06 10:40:11,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:11,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188580436] [2021-06-06 10:40:11,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:11,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:11,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188580436] [2021-06-06 10:40:11,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188580436] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:11,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323625033] [2021-06-06 10:40:11,675 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:11,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 10:40:11,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:11,715 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 10:40:11,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:12,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323625033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:12,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:12,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-06-06 10:40:12,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769767833] [2021-06-06 10:40:12,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 10:40:12,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:12,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 10:40:12,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 10:40:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:12,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:12,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0) internal successors, (68), 33 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) [2021-06-06 10:40:12,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:12,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:12,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:12,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:12,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:14,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:14,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:14,283 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:14,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1752594369, now seen corresponding path program 4 times [2021-06-06 10:40:14,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:14,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328094065] [2021-06-06 10:40:14,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:14,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:14,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328094065] [2021-06-06 10:40:14,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328094065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:14,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801180788] [2021-06-06 10:40:14,689 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:14,733 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:40:14,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:14,734 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-06 10:40:14,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:15,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801180788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:15,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:15,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2021-06-06 10:40:15,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14529705] [2021-06-06 10:40:15,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 10:40:15,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:15,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 10:40:15,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1273, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 10:40:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:15,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:15,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.0789473684210527) internal successors, (79), 37 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:16,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 10:40:16,781 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:16,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:16,782 INFO L82 PathProgramCache]: Analyzing trace with hash -692394187, now seen corresponding path program 5 times [2021-06-06 10:40:16,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:16,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207416808] [2021-06-06 10:40:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 81 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:17,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:17,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207416808] [2021-06-06 10:40:17,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207416808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:17,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687073284] [2021-06-06 10:40:17,331 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:17,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-06 10:40:17,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:17,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 10:40:17,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:18,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687073284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:18,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:18,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 49 [2021-06-06 10:40:18,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39893467] [2021-06-06 10:40:18,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 10:40:18,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:18,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 10:40:18,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2135, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 10:40:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:18,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:18,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.0) internal successors, (100), 49 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:18,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:20,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:20,605 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:20,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:20,605 INFO L82 PathProgramCache]: Analyzing trace with hash 226851775, now seen corresponding path program 6 times [2021-06-06 10:40:20,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:20,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808715496] [2021-06-06 10:40:20,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:21,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:21,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808715496] [2021-06-06 10:40:21,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808715496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:21,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450548831] [2021-06-06 10:40:21,868 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:21,964 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-06-06 10:40:21,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:21,969 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 157 conjunts are in the unsatisfiable core [2021-06-06 10:40:21,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:24,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450548831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:24,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:24,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 45] total 79 [2021-06-06 10:40:24,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580524345] [2021-06-06 10:40:24,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-06-06 10:40:24,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-06-06 10:40:24,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=5887, Unknown=0, NotChecked=0, Total=6320 [2021-06-06 10:40:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:24,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:24,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 2.1875) internal successors, (175), 79 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:25,626 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2021-06-06 10:40:25,792 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-06 10:40:26,009 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 10:40:26,165 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 10:40:26,305 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-06 10:40:26,463 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-06 10:40:26,909 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-06 10:40:28,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:40:29,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:29,001 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:29,001 INFO L82 PathProgramCache]: Analyzing trace with hash -865486551, now seen corresponding path program 7 times [2021-06-06 10:40:29,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:29,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709147310] [2021-06-06 10:40:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 441 proven. 783 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:30,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:30,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709147310] [2021-06-06 10:40:30,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709147310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:30,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069758996] [2021-06-06 10:40:30,556 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:30,620 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 201 conjunts are in the unsatisfiable core [2021-06-06 10:40:30,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:33,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069758996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:33,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:33,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 56] total 103 [2021-06-06 10:40:33,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190974629] [2021-06-06 10:40:33,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-06 10:40:33,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:33,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-06 10:40:33,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=9404, Unknown=0, NotChecked=0, Total=10712 [2021-06-06 10:40:33,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:33,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:33,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 2.1153846153846154) internal successors, (220), 103 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:40:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:35,829 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-06-06 10:40:38,520 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2021-06-06 10:40:38,752 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:40:40,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:40:40,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 10:40:40,468 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:40:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:40:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1015524673, now seen corresponding path program 8 times [2021-06-06 10:40:40,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:40:40,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092035983] [2021-06-06 10:40:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:40:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:40:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3613 backedges. 0 proven. 3613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:44,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:40:44,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092035983] [2021-06-06 10:40:44,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092035983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:44,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385817231] [2021-06-06 10:40:44,187 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:40:44,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:40:44,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:40:44,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 349 conjunts are in the unsatisfiable core [2021-06-06 10:40:44,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:40:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3613 backedges. 0 proven. 3613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:40:52,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385817231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:40:52,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:40:52,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 93] total 163 [2021-06-06 10:40:52,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188288086] [2021-06-06 10:40:52,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-06-06 10:40:52,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:40:52,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-06-06 10:40:52,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1573, Invalid=25159, Unknown=0, NotChecked=0, Total=26732 [2021-06-06 10:40:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:52,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:40:52,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 2.2378048780487805) internal successors, (367), 163 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:40:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:40:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:40:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:40:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:40:56,486 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 164 [2021-06-06 10:40:56,971 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 162 [2021-06-06 10:40:57,472 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 10:40:57,888 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-06-06 10:40:58,313 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 157 [2021-06-06 10:40:58,738 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 162 [2021-06-06 10:40:59,121 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 10:40:59,526 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 10:40:59,929 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-06 10:41:00,290 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 10:41:00,659 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 10:41:01,053 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-06 10:41:01,396 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 10:41:01,749 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 10:41:02,117 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-06 10:41:02,442 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 10:41:02,785 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 10:41:03,126 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-06 10:41:03,431 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 10:41:03,742 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 10:41:04,066 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-06 10:41:04,364 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 10:41:04,660 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 10:41:04,966 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-06 10:41:05,236 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 10:41:05,515 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 10:41:05,811 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-06 10:41:06,066 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 10:41:06,325 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 10:41:06,596 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-06 10:41:06,834 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 10:41:07,077 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 10:41:07,330 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-06 10:41:07,559 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 10:41:07,786 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 10:41:08,025 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-06 10:41:08,254 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 10:41:08,462 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 10:41:08,682 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 10:41:09,083 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 10:41:09,285 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:41:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:41:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:41:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:41:12,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 10:41:12,633 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2076037905, now seen corresponding path program 9 times [2021-06-06 10:41:12,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:12,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459761837] [2021-06-06 10:41:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:16,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6120 backedges. 2025 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:16,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:16,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459761837] [2021-06-06 10:41:16,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459761837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:16,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55098138] [2021-06-06 10:41:16,783 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:17,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2021-06-06 10:41:17,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:17,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 441 conjunts are in the unsatisfiable core [2021-06-06 10:41:17,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6120 backedges. 0 proven. 6120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:29,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55098138] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:29,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:29,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 116] total 211 [2021-06-06 10:41:29,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603378962] [2021-06-06 10:41:29,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 212 states [2021-06-06 10:41:29,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:29,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2021-06-06 10:41:29,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5346, Invalid=39386, Unknown=0, NotChecked=0, Total=44732 [2021-06-06 10:41:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:29,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:29,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 212 states, 212 states have (on average 2.169811320754717) internal successors, (460), 211 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:41:29,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:41:29,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:34,430 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 163 [2021-06-06 10:41:35,070 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-06 10:41:35,610 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-06 10:41:36,123 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-06 10:41:36,624 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-06 10:41:37,084 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-06 10:41:37,525 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-06 10:41:37,935 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-06 10:41:38,334 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-06 10:41:38,700 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-06 10:41:39,049 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 10:41:39,372 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 10:41:39,676 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 10:41:46,132 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 161 [2021-06-06 10:41:46,761 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 165 [2021-06-06 10:41:52,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:41:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:41:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:41:52,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 10:41:52,715 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:52,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:52,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2131345599, now seen corresponding path program 10 times [2021-06-06 10:41:52,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:52,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146491164] [2021-06-06 10:41:52,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:42:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 16381 backedges. 0 proven. 16381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:42:05,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:42:05,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146491164] [2021-06-06 10:42:05,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146491164] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:42:05,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589102806] [2021-06-06 10:42:05,499 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:42:05,695 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:42:05,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:42:05,724 WARN L261 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 733 conjunts are in the unsatisfiable core [2021-06-06 10:42:05,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:42:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16381 backedges. 0 proven. 16381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:42:38,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589102806] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:42:38,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:42:38,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 189] total 331 [2021-06-06 10:42:38,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663833058] [2021-06-06 10:42:38,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 332 states [2021-06-06 10:42:38,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:42:38,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants. [2021-06-06 10:42:38,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6013, Invalid=103879, Unknown=0, NotChecked=0, Total=109892 [2021-06-06 10:42:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:42:38,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:42:38,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 332 states, 332 states have (on average 2.2620481927710845) internal successors, (751), 331 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:42:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:42:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:42:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:42:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:42:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:42:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:42:50,226 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 377 DAG size of output: 332 [2021-06-06 10:42:51,859 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 378 DAG size of output: 330 [2021-06-06 10:42:53,518 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 380 DAG size of output: 335 [2021-06-06 10:42:54,867 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 371 DAG size of output: 327 [2021-06-06 10:42:56,263 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 372 DAG size of output: 325 [2021-06-06 10:42:57,699 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 374 DAG size of output: 330 [2021-06-06 10:42:59,015 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-06 10:43:00,346 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2021-06-06 10:43:01,718 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 367 DAG size of output: 324 [2021-06-06 10:43:02,990 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 314 [2021-06-06 10:43:04,278 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 312 [2021-06-06 10:43:05,597 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 317 [2021-06-06 10:43:06,859 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2021-06-06 10:43:08,108 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 305 [2021-06-06 10:43:09,393 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 310 [2021-06-06 10:43:10,604 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-06 10:43:11,819 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 298 [2021-06-06 10:43:13,064 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 303 [2021-06-06 10:43:14,236 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 293 [2021-06-06 10:43:15,423 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 291 [2021-06-06 10:43:16,646 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 296 [2021-06-06 10:43:17,787 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-06-06 10:43:18,949 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 284 [2021-06-06 10:43:20,135 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 289 [2021-06-06 10:43:21,247 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-06-06 10:43:22,356 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 277 [2021-06-06 10:43:23,502 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 282 [2021-06-06 10:43:24,573 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 272 [2021-06-06 10:43:25,661 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 270 [2021-06-06 10:43:26,773 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-06 10:43:27,821 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 265 [2021-06-06 10:43:28,866 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 263 [2021-06-06 10:43:29,950 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 268 [2021-06-06 10:43:30,956 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2021-06-06 10:43:31,969 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 256 [2021-06-06 10:43:33,017 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 261 [2021-06-06 10:43:33,996 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 251 [2021-06-06 10:43:34,988 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 249 [2021-06-06 10:43:35,998 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2021-06-06 10:43:36,954 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-06 10:43:37,915 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 242 [2021-06-06 10:43:38,912 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 247 [2021-06-06 10:43:39,837 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 237 [2021-06-06 10:43:40,774 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 235 [2021-06-06 10:43:41,727 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 240 [2021-06-06 10:43:42,619 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2021-06-06 10:43:43,527 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 228 [2021-06-06 10:43:44,450 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 233 [2021-06-06 10:43:45,322 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-06-06 10:43:46,191 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 221 [2021-06-06 10:43:47,080 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-06 10:43:47,920 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 216 [2021-06-06 10:43:48,797 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 214 [2021-06-06 10:43:49,672 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 219 [2021-06-06 10:43:50,475 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-06 10:43:51,286 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-06-06 10:43:52,128 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2021-06-06 10:43:52,903 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 10:43:53,697 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-06 10:43:54,524 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 205 [2021-06-06 10:43:55,277 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 10:43:56,068 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-06-06 10:43:56,844 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 198 [2021-06-06 10:43:57,561 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 10:43:58,295 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-06-06 10:43:59,043 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2021-06-06 10:43:59,728 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 10:44:00,436 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-06-06 10:44:01,155 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 184 [2021-06-06 10:44:01,818 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 10:44:02,647 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-06-06 10:44:03,338 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 177 [2021-06-06 10:44:03,970 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 10:44:04,768 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-06 10:44:05,433 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 170 [2021-06-06 10:44:06,046 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 10:44:06,808 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-06 10:44:07,446 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2021-06-06 10:44:08,028 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 10:44:08,748 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 10:44:09,373 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-06 10:44:09,933 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 10:44:10,620 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 10:44:11,218 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-06 10:44:11,751 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 10:44:12,405 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 10:44:12,964 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-06 10:44:13,498 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 10:44:14,119 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 10:44:14,652 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-06 10:44:15,134 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 10:44:15,737 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 10:44:16,244 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-06 10:44:16,706 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 10:44:17,265 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 10:44:17,764 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-06 10:44:18,204 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 10:44:18,753 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 10:44:19,217 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-06 10:44:19,635 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 10:44:20,149 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 10:44:20,592 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-06 10:44:20,985 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 10:44:21,458 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 10:44:21,876 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-06 10:44:22,259 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 10:44:22,701 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 10:44:23,092 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-06 10:44:23,443 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 10:44:23,858 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 10:44:24,239 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 10:44:24,569 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 10:44:24,955 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 10:44:25,303 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-06 10:44:25,971 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-06-06 10:44:26,299 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-06 10:44:26,930 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 10:44:27,806 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-06 10:44:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:44:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:44:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:44:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:44:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:44:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-06 10:44:31,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 10:44:31,625 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:44:31,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:44:31,625 INFO L82 PathProgramCache]: Analyzing trace with hash -128196895, now seen corresponding path program 11 times [2021-06-06 10:44:31,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:44:31,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403459995] [2021-06-06 10:44:31,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:44:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:44:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27144 backedges. 8649 proven. 18495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:44:46,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:44:46,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403459995] [2021-06-06 10:44:46,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403459995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:44:46,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928295448] [2021-06-06 10:44:46,344 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:44:47,317 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 139 check-sat command(s) [2021-06-06 10:44:47,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:44:47,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 921 conjunts are in the unsatisfiable core [2021-06-06 10:44:47,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:45:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 27144 backedges. 0 proven. 27144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:45:34,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928295448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:45:34,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:45:34,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 236] total 427 [2021-06-06 10:45:34,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117374593] [2021-06-06 10:45:34,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 428 states [2021-06-06 10:45:34,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:45:34,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 428 interpolants. [2021-06-06 10:45:34,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21630, Invalid=161126, Unknown=0, NotChecked=0, Total=182756 [2021-06-06 10:45:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:45:34,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:45:34,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 428 states, 428 states have (on average 2.196261682242991) internal successors, (940), 427 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:45:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:45:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:45:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-06 10:45:34,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:46:02,972 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 331 [2021-06-06 10:46:04,876 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 322 [2021-06-06 10:46:06,608 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 315 [2021-06-06 10:46:08,315 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 308 [2021-06-06 10:46:09,974 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 301 [2021-06-06 10:46:11,571 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 294 [2021-06-06 10:46:13,154 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 287 [2021-06-06 10:46:14,674 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 280 [2021-06-06 10:46:16,138 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 273 [2021-06-06 10:46:17,570 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 266 [2021-06-06 10:46:18,947 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 259 [2021-06-06 10:46:20,290 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 252 [2021-06-06 10:46:21,583 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 245 [2021-06-06 10:46:22,855 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 238 [2021-06-06 10:46:24,073 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 231 [2021-06-06 10:46:25,259 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 224 [2021-06-06 10:46:26,402 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 217 [2021-06-06 10:46:27,505 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 210 [2021-06-06 10:46:28,582 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 203 [2021-06-06 10:46:29,610 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-06-06 10:46:30,617 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 189 [2021-06-06 10:46:31,580 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-06-06 10:46:32,497 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-06-06 10:46:33,408 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 168 [2021-06-06 10:46:34,264 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-06-06 10:46:35,086 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-06 10:46:35,890 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-06 10:46:36,651 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-06 10:46:37,386 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-06 10:46:38,086 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-06 10:46:38,773 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-06 10:46:39,420 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-06 10:46:40,034 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-06 10:46:40,621 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-06 10:46:41,196 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 10:46:41,727 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 10:46:42,233 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 10:47:04,681 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 329 [2021-06-06 10:47:06,614 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 333 [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:47:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-06 10:47:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2021-06-06 10:47:38,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 10:47:38,514 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:47:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:47:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1926995135, now seen corresponding path program 12 times [2021-06-06 10:47:38,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:47:38,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767381073] [2021-06-06 10:47:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:47:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:48:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 69565 backedges. 0 proven. 69565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:48:27,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:48:27,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767381073] [2021-06-06 10:48:27,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767381073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:48:27,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396605624] [2021-06-06 10:48:27,529 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:48:33,152 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 279 check-sat command(s) [2021-06-06 10:48:33,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:48:33,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 1501 conjunts are in the unsatisfiable core [2021-06-06 10:48:33,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:50:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 69565 backedges. 0 proven. 69565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:50:44,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396605624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:50:44,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:50:44,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [289, 381] total 667 [2021-06-06 10:50:44,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37378890] [2021-06-06 10:50:44,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 668 states [2021-06-06 10:50:44,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:50:44,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 668 interpolants. [2021-06-06 10:50:44,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23533, Invalid=422023, Unknown=0, NotChecked=0, Total=445556 [2021-06-06 10:50:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:50:44,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:50:44,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 668 states, 668 states have (on average 2.2739520958083834) internal successors, (1519), 667 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:50:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2021-06-06 10:50:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:51:46,790 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 761 DAG size of output: 668 [2021-06-06 10:51:54,512 WARN L205 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 762 DAG size of output: 666 [2021-06-06 10:52:00,683 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 764 DAG size of output: 671 [2021-06-06 10:52:05,850 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 755 DAG size of output: 663 [2021-06-06 10:52:12,477 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 756 DAG size of output: 661 [2021-06-06 10:52:17,642 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 758 DAG size of output: 666 [2021-06-06 10:52:22,705 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 748 DAG size of output: 657 Received shutdown request... [2021-06-06 10:52:26,674 WARN L222 SmtUtils]: Removed 73 from assertion stack [2021-06-06 10:52:26,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:52:26,875 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 10:52:26,883 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 10:52:26,884 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 10:52:26,885 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 10:52:26 BasicIcfg [2021-06-06 10:52:26,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 10:52:26,885 INFO L168 Benchmark]: Toolchain (without parser) took 739014.58 ms. Allocated memory was 356.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 335.7 MB in the beginning and 704.6 MB in the end (delta: -368.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-06 10:52:26,885 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 356.5 MB. Free memory was 336.8 MB in the beginning and 336.7 MB in the end (delta: 65.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 10:52:26,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 356.5 MB. Free memory was 335.6 MB in the beginning and 334.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 10:52:26,885 INFO L168 Benchmark]: Boogie Preprocessor took 17.06 ms. Allocated memory is still 356.5 MB. Free memory was 334.1 MB in the beginning and 333.2 MB in the end (delta: 940.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 10:52:26,886 INFO L168 Benchmark]: RCFGBuilder took 272.14 ms. Allocated memory is still 356.5 MB. Free memory was 333.1 MB in the beginning and 322.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 10:52:26,886 INFO L168 Benchmark]: TraceAbstraction took 738680.37 ms. Allocated memory was 356.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 321.6 MB in the beginning and 704.6 MB in the end (delta: -383.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-06 10:52:26,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 356.5 MB. Free memory was 336.8 MB in the beginning and 336.7 MB in the end (delta: 65.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 356.5 MB. Free memory was 335.6 MB in the beginning and 334.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.06 ms. Allocated memory is still 356.5 MB. Free memory was 334.1 MB in the beginning and 333.2 MB in the end (delta: 940.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 272.14 ms. Allocated memory is still 356.5 MB. Free memory was 333.1 MB in the beginning and 322.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 738680.37 ms. Allocated memory was 356.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 321.6 MB in the beginning and 704.6 MB in the end (delta: -383.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6384, positive: 4595, positive conditional: 4595, positive unconditional: 0, negative: 1789, negative conditional: 1789, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4609, positive: 4595, positive conditional: 4595, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4609, positive: 4324, positive conditional: 0, positive unconditional: 4324, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4609, positive: 4307, positive conditional: 0, positive unconditional: 4307, negative: 284, negative conditional: 0, negative unconditional: 284, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260, SemanticConditionEliminator.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2535, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 2264, negative conditional: 2004, negative unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 16, negative conditional: 15, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 101, negative conditional: 56, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2535, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 2249, negative conditional: 1989, negative unconditional: 260, unknown: 109, unknown conditional: 109, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 111, Positive conditional cache size: 94, Positive unconditional cache size: 17, Negative cache size: 16, Negative conditional cache size: 15, Negative unconditional cache size: 1, Eliminated conditions: 260 ], Maximal queried relation: 13, Independence queries for same thread: 1775 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 749 for 2678ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 738574.4ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 397962.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1464, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 221.4ms SsaConstructionTime, 12576.6ms SatisfiabilityAnalysisTime, 324789.2ms InterpolantComputationTime, 4828 NumberOfCodeBlocks, 4828 NumberOfCodeBlocksAsserted, 554 NumberOfCheckSat, 4802 ConstructedInterpolants, 0 QuantifiedInterpolants, 101153 SizeOfPredicates, 60 NumberOfNonLiveVariables, 5881 ConjunctsInSsa, 4539 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 11211/250131 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