/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 04:49:35,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 04:49:35,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 04:49:35,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 04:49:35,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 04:49:35,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 04:49:35,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 04:49:35,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 04:49:35,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 04:49:35,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 04:49:35,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 04:49:35,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 04:49:35,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 04:49:35,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 04:49:35,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 04:49:35,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 04:49:35,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 04:49:35,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 04:49:35,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 04:49:35,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 04:49:35,206 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 04:49:35,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 04:49:35,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 04:49:35,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 04:49:35,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 04:49:35,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 04:49:35,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 04:49:35,246 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 04:49:35,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 04:49:35,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 04:49:35,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 04:49:35,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 04:49:35,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 04:49:35,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 04:49:35,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:49:35,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 04:49:35,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 04:49:35,250 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 04:49:35,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 04:49:35,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 04:49:35,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 04:49:35,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 04:49:35,564 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 04:49:35,565 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 04:49:35,566 INFO L432 ainManager$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 04:49:35,612 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 04:49:35,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 04:49:35,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 04:49:35,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 04:49:35,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 04:49:35,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 04:49:35,656 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,661 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 04:49:35,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 04:49:35,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 04:49:35,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 04:49:35,674 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,674 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,675 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,675 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,677 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,679 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,679 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 04:49:35" (1/1) ... [2021-06-06 04:49:35,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 04:49:35,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 04:49:35,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 04:49:35,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 04:49:35,685 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 04:49:35" (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 04:49:35,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 04:49:35,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 04:49:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 04:49:35,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 04:49:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 04:49:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 04:49:35,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 04:49:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 04:49:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 04:49:35,747 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 04:49:35,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 04:49:35,903 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 04:49:35,904 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:49:35 BoogieIcfgContainer [2021-06-06 04:49:35,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 04:49:35,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 04:49:35,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 04:49:35,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 04:49:35,909 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 04:49:35" (1/2) ... [2021-06-06 04:49:35,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba87db8 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:49:35, skipping insertion in model container [2021-06-06 04:49:35,910 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 04:49:35" (2/2) ... [2021-06-06 04:49:35,911 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-06 04:49:35,915 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 04:49:35,916 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 04:49:35,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 04:49:35,917 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 04:49:35,940 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 04:49:35,959 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 04:49:36,024 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 04:49:36,024 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 04:49:36,024 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 04:49:36,024 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 04:49:36,024 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 04:49:36,025 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 04:49:36,025 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 04:49:36,025 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 04:49:36,092 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash 556383795, now seen corresponding path program 1 times [2021-06-06 04:49:36,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:36,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169767435] [2021-06-06 04:49:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:36,269 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 04:49:36,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:36,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169767435] [2021-06-06 04:49:36,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169767435] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:49:36,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:49:36,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 04:49:36,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653019792] [2021-06-06 04:49:36,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 04:49:36,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:36,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 04:49:36,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 04:49:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:36,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:36,303 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 04:49:36,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:36,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:36,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 04:49:36,379 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:36,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:36,379 INFO L82 PathProgramCache]: Analyzing trace with hash 561488305, now seen corresponding path program 1 times [2021-06-06 04:49:36,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:36,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140368989] [2021-06-06 04:49:36,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:36,422 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 04:49:36,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:36,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140368989] [2021-06-06 04:49:36,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140368989] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:49:36,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:49:36,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 04:49:36,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335063207] [2021-06-06 04:49:36,425 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 04:49:36,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:36,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 04:49:36,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 04:49:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:36,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:36,428 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 04:49:36,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:36,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:36,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 04:49:36,485 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:36,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1689660735, now seen corresponding path program 1 times [2021-06-06 04:49:36,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:36,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35568657] [2021-06-06 04:49:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:36,786 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 04:49:36,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:36,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35568657] [2021-06-06 04:49:36,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35568657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:36,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657746306] [2021-06-06 04:49:36,787 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 04:49:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:36,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 04:49:36,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:37,204 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 04:49:37,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657746306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:37,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:37,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 04:49:37,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337611554] [2021-06-06 04:49:37,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 04:49:37,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:37,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 04:49:37,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-06 04:49:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:37,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:37,207 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 04:49:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:37,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:49:37,687 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:37,688 INFO L82 PathProgramCache]: Analyzing trace with hash -152537733, now seen corresponding path program 2 times [2021-06-06 04:49:37,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:37,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538908344] [2021-06-06 04:49:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:37,953 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 04:49:37,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:37,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538908344] [2021-06-06 04:49:37,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538908344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:37,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820361256] [2021-06-06 04:49:37,954 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 04:49:37,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:49:37,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:49:37,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 04:49:37,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:38,364 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 04:49:38,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820361256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:38,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:38,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 04:49:38,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906798438] [2021-06-06 04:49:38,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 04:49:38,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:38,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 04:49:38,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-06 04:49:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:38,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:38,368 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 04:49:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:38,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:49:38,930 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:38,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:38,931 INFO L82 PathProgramCache]: Analyzing trace with hash 659718333, now seen corresponding path program 3 times [2021-06-06 04:49:38,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:38,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819688327] [2021-06-06 04:49:38,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:39,374 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 04:49:39,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:39,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819688327] [2021-06-06 04:49:39,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819688327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:39,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630383045] [2021-06-06 04:49:39,374 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 04:49:39,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 04:49:39,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:49:39,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 04:49:39,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:40,057 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 04:49:40,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630383045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:40,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:40,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-06-06 04:49:40,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880855652] [2021-06-06 04:49:40,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 04:49:40,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:40,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 04:49:40,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 04:49:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:40,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:40,060 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 04:49:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:42,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:49:42,022 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:42,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1752594369, now seen corresponding path program 4 times [2021-06-06 04:49:42,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:42,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490713712] [2021-06-06 04:49:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:42,449 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 04:49:42,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:42,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490713712] [2021-06-06 04:49:42,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490713712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:42,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327880239] [2021-06-06 04:49:42,450 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 04:49:42,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:49:42,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:49:42,486 WARN L261 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-06 04:49:42,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:43,277 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 04:49:43,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327880239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:43,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:43,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2021-06-06 04:49:43,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523893428] [2021-06-06 04:49:43,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 04:49:43,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:43,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 04:49:43,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1273, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 04:49:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:43,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:43,279 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 04:49:43,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:49:44,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 04:49:44,560 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:44,560 INFO L82 PathProgramCache]: Analyzing trace with hash -692394187, now seen corresponding path program 5 times [2021-06-06 04:49:44,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:44,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275744713] [2021-06-06 04:49:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:45,076 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 04:49:45,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:45,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275744713] [2021-06-06 04:49:45,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275744713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:45,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010632752] [2021-06-06 04:49:45,077 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 04:49:45,115 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-06 04:49:45,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:49:45,117 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 04:49:45,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:45,986 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 04:49:45,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010632752] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:45,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:45,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 49 [2021-06-06 04:49:45,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585850117] [2021-06-06 04:49:45,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 04:49:45,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:45,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 04:49:45,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2135, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 04:49:45,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:45,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:45,989 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 04:49:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:49:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:49:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:49:48,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:49:48,229 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash 226851775, now seen corresponding path program 6 times [2021-06-06 04:49:48,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:48,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725544531] [2021-06-06 04:49:48,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:49,496 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 04:49:49,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:49,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725544531] [2021-06-06 04:49:49,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725544531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:49,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432602946] [2021-06-06 04:49:49,497 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 04:49:49,584 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-06-06 04:49:49,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:49:49,586 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 157 conjunts are in the unsatisfiable core [2021-06-06 04:49:49,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:49:52,100 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 04:49:52,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432602946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:52,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:49:52,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 45] total 79 [2021-06-06 04:49:52,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173838742] [2021-06-06 04:49:52,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-06-06 04:49:52,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:49:52,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-06-06 04:49:52,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=5887, Unknown=0, NotChecked=0, Total=6320 [2021-06-06 04:49:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:52,106 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:49:52,106 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 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:49:52,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:49:53,336 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2021-06-06 04:49:53,502 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-06 04:49:53,683 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 04:49:53,818 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 04:49:53,956 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-06 04:49:54,118 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-06 04:49:54,556 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-06 04:49:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:49:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:49:56,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:49:56,545 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:49:56,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:49:56,546 INFO L82 PathProgramCache]: Analyzing trace with hash -865486551, now seen corresponding path program 7 times [2021-06-06 04:49:56,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:49:56,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268638150] [2021-06-06 04:49:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:49:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:58,606 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 04:49:58,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:49:58,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268638150] [2021-06-06 04:49:58,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268638150] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:49:58,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809869347] [2021-06-06 04:49:58,607 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 04:49:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:49:58,734 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 201 conjunts are in the unsatisfiable core [2021-06-06 04:49:58,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:02,170 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 04:50:02,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809869347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:02,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:02,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 56] total 103 [2021-06-06 04:50:02,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802295100] [2021-06-06 04:50:02,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-06 04:50:02,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:02,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-06 04:50:02,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=9404, Unknown=0, NotChecked=0, Total=10712 [2021-06-06 04:50:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:02,174 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:02,174 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 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:50:02,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:04,335 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-06-06 04:50:07,086 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2021-06-06 04:50:07,320 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-06-06 04:50:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:50:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:50:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:50:08,999 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 04:50:09,000 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:09,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1015524673, now seen corresponding path program 8 times [2021-06-06 04:50:09,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:09,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578220281] [2021-06-06 04:50:09,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:12,721 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 04:50:12,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:12,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578220281] [2021-06-06 04:50:12,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578220281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:12,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428920886] [2021-06-06 04:50:12,721 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 04:50:12,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:50:12,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:12,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 349 conjunts are in the unsatisfiable core [2021-06-06 04:50:12,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:21,649 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 04:50:21,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428920886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:21,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:21,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 93] total 163 [2021-06-06 04:50:21,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316773214] [2021-06-06 04:50:21,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-06-06 04:50:21,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:21,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-06-06 04:50:21,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1573, Invalid=25159, Unknown=0, NotChecked=0, Total=26732 [2021-06-06 04:50:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:21,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:21,657 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 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:50:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:50:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:50:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:25,232 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 164 [2021-06-06 04:50:25,727 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 162 [2021-06-06 04:50:26,252 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 04:50:26,667 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-06-06 04:50:27,085 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 157 [2021-06-06 04:50:27,512 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 162 [2021-06-06 04:50:27,913 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 04:50:28,311 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 04:50:28,718 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-06 04:50:29,086 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 04:50:29,470 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 04:50:29,862 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-06 04:50:30,210 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 04:50:30,582 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 04:50:30,948 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-06 04:50:31,286 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 04:50:31,622 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 04:50:31,969 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-06 04:50:32,279 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 04:50:32,594 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 04:50:32,928 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-06 04:50:33,219 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 04:50:33,516 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 04:50:33,825 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-06 04:50:34,097 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 04:50:34,377 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 04:50:34,676 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-06 04:50:34,931 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 04:50:35,195 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 04:50:35,471 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-06 04:50:35,714 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 04:50:35,961 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 04:50:36,223 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-06 04:50:36,447 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 04:50:36,674 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 04:50:36,914 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-06 04:50:37,135 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 04:50:37,346 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 04:50:37,569 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 04:50:37,761 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 04:50:37,964 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 04:50:38,169 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-06 04:50:38,716 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-06 04:50:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:50:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:50:41,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 04:50:41,552 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:41,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:41,552 INFO L82 PathProgramCache]: Analyzing trace with hash 2076037905, now seen corresponding path program 9 times [2021-06-06 04:50:41,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:41,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738828771] [2021-06-06 04:50:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:45,662 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 04:50:45,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:45,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738828771] [2021-06-06 04:50:45,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738828771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:45,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189372453] [2021-06-06 04:50:45,662 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 04:50:46,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2021-06-06 04:50:46,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:46,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 441 conjunts are in the unsatisfiable core [2021-06-06 04:50:46,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:58,122 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 04:50:58,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189372453] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:58,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:58,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 116] total 211 [2021-06-06 04:50:58,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111950379] [2021-06-06 04:50:58,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 212 states [2021-06-06 04:50:58,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:58,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2021-06-06 04:50:58,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5346, Invalid=39386, Unknown=0, NotChecked=0, Total=44732 [2021-06-06 04:50:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:58,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:58,128 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 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:50:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:03,634 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 163 [2021-06-06 04:51:04,262 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-06 04:51:04,815 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-06 04:51:05,330 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-06 04:51:05,819 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-06 04:51:06,307 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-06 04:51:06,747 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-06 04:51:07,162 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-06 04:51:07,554 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-06 04:51:07,935 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-06 04:51:08,282 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 04:51:08,606 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 04:51:08,916 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 04:51:15,432 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 161 [2021-06-06 04:51:16,051 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 165 [2021-06-06 04:51:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:51:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 04:51:22,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 04:51:22,100 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:51:22,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:51:22,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2131345599, now seen corresponding path program 10 times [2021-06-06 04:51:22,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:51:22,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362805574] [2021-06-06 04:51:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:51:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:35,106 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 04:51:35,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:51:35,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362805574] [2021-06-06 04:51:35,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362805574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:35,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521389834] [2021-06-06 04:51:35,107 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 04:51:35,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:51:35,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:51:35,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 733 conjunts are in the unsatisfiable core [2021-06-06 04:51:35,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:52:08,937 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 04:52:08,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521389834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:52:08,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:52:08,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 189] total 331 [2021-06-06 04:52:08,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926915425] [2021-06-06 04:52:08,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 332 states [2021-06-06 04:52:08,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:52:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants. [2021-06-06 04:52:08,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6013, Invalid=103879, Unknown=0, NotChecked=0, Total=109892 [2021-06-06 04:52:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:52:08,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:52:08,945 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 04:52:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:52:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:52:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 04:52:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:52:20,656 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 377 DAG size of output: 332 [2021-06-06 04:52:22,296 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 378 DAG size of output: 330 [2021-06-06 04:52:23,961 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 380 DAG size of output: 335 [2021-06-06 04:52:25,320 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 371 DAG size of output: 327 [2021-06-06 04:52:26,698 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 372 DAG size of output: 325 [2021-06-06 04:52:28,108 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 374 DAG size of output: 330 [2021-06-06 04:52:29,427 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 321 [2021-06-06 04:52:30,763 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 319 [2021-06-06 04:52:32,137 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 367 DAG size of output: 324 [2021-06-06 04:52:33,421 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 314 [2021-06-06 04:52:34,720 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 312 [2021-06-06 04:52:36,053 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 317 [2021-06-06 04:52:37,308 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2021-06-06 04:52:38,568 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 305 [2021-06-06 04:52:39,850 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 310 [2021-06-06 04:52:41,067 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-06 04:52:42,296 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 298 [2021-06-06 04:52:43,542 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 303 [2021-06-06 04:52:44,722 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 293 [2021-06-06 04:52:45,930 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 291 [2021-06-06 04:52:47,150 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 296 [2021-06-06 04:52:48,293 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2021-06-06 04:52:49,464 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 284 [2021-06-06 04:52:50,648 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 289 [2021-06-06 04:52:51,760 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-06-06 04:52:52,881 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 277 [2021-06-06 04:52:54,026 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 282 [2021-06-06 04:52:55,106 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 272 [2021-06-06 04:52:56,185 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 270 [2021-06-06 04:52:57,304 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-06 04:52:58,351 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 265 [2021-06-06 04:52:59,426 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 263 [2021-06-06 04:53:00,506 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 268 [2021-06-06 04:53:01,524 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 258 [2021-06-06 04:53:02,543 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 256 [2021-06-06 04:53:03,603 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 261 [2021-06-06 04:53:04,590 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 251 [2021-06-06 04:53:05,595 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 249 [2021-06-06 04:53:06,619 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2021-06-06 04:53:07,588 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-06 04:53:08,553 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 242 [2021-06-06 04:53:09,545 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 247 [2021-06-06 04:53:10,469 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 237 [2021-06-06 04:53:11,409 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 235 [2021-06-06 04:53:12,376 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 240 [2021-06-06 04:53:13,272 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2021-06-06 04:53:14,184 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 228 [2021-06-06 04:53:15,113 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 233 [2021-06-06 04:53:15,988 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-06-06 04:53:16,875 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 221 [2021-06-06 04:53:17,783 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-06 04:53:18,620 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 216 [2021-06-06 04:53:19,467 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 214 [2021-06-06 04:53:20,344 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 219 [2021-06-06 04:53:21,154 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-06-06 04:53:21,985 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-06-06 04:53:22,824 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2021-06-06 04:53:23,603 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-06 04:53:24,398 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-06 04:53:25,204 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 205 [2021-06-06 04:53:25,965 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-06 04:53:26,773 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-06-06 04:53:27,558 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 198 [2021-06-06 04:53:28,292 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-06 04:53:29,021 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-06-06 04:53:29,771 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2021-06-06 04:53:30,476 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-06 04:53:31,181 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-06-06 04:53:31,906 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 184 [2021-06-06 04:53:32,584 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-06 04:53:33,468 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-06-06 04:53:34,174 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 177 [2021-06-06 04:53:34,814 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-06 04:53:35,608 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-06 04:53:36,287 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 170 [2021-06-06 04:53:36,899 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-06 04:53:37,657 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-06 04:53:38,307 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2021-06-06 04:53:38,893 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-06 04:53:39,618 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 04:53:40,236 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-06-06 04:53:40,809 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-06 04:53:41,500 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-06-06 04:53:42,088 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-06-06 04:53:42,634 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-06 04:53:43,290 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-06-06 04:53:43,852 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-06-06 04:53:44,364 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-06 04:53:45,007 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-06-06 04:53:45,545 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-06-06 04:53:46,033 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-06 04:53:46,641 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 04:53:47,160 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-06-06 04:53:47,624 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-06 04:53:48,186 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-06-06 04:53:48,692 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-06-06 04:53:49,133 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-06 04:53:49,672 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-06 04:53:50,137 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-06-06 04:53:50,558 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-06 04:53:51,073 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-06-06 04:53:51,518 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-06-06 04:53:51,915 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-06 04:53:52,392 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 04:53:52,813 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-06-06 04:53:53,200 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-06 04:53:53,644 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-06-06 04:53:54,040 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-06-06 04:53:54,392 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-06 04:53:54,809 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 04:53:55,193 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 04:53:55,525 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-06 04:53:55,912 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 04:53:56,259 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-06-06 04:53:56,929 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-06-06 04:53:57,268 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-06-06 04:53:57,891 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 04:53:58,777 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-06 04:54:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:54:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:54:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:54:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 04:54:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-06 04:54:02,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 04:54:02,629 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:54:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:54:02,629 INFO L82 PathProgramCache]: Analyzing trace with hash -128196895, now seen corresponding path program 11 times [2021-06-06 04:54:02,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:54:02,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236382885] [2021-06-06 04:54:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:54:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:54:17,644 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 04:54:17,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:54:17,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236382885] [2021-06-06 04:54:17,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236382885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:54:17,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135103000] [2021-06-06 04:54:17,644 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 04:54:18,678 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 139 check-sat command(s) [2021-06-06 04:54:18,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:54:18,691 WARN L261 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 921 conjunts are in the unsatisfiable core [2021-06-06 04:54:18,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:55:06,649 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 04:55:06,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135103000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:55:06,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:55:06,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 236] total 427 [2021-06-06 04:55:06,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918063387] [2021-06-06 04:55:06,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 428 states [2021-06-06 04:55:06,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:55:06,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 428 interpolants. [2021-06-06 04:55:06,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21630, Invalid=161126, Unknown=0, NotChecked=0, Total=182756 [2021-06-06 04:55:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:55:06,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:55:06,662 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 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-06 04:55:06,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:55:35,512 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 331 [2021-06-06 04:55:37,453 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 322 [2021-06-06 04:55:39,224 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 315 [2021-06-06 04:55:40,944 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 308 [2021-06-06 04:55:42,615 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 301 [2021-06-06 04:55:44,245 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 294 [2021-06-06 04:55:45,827 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 287 [2021-06-06 04:55:47,351 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 280 [2021-06-06 04:55:48,847 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 273 [2021-06-06 04:55:50,281 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 266 [2021-06-06 04:55:51,682 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 259 [2021-06-06 04:55:53,041 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 252 [2021-06-06 04:55:54,343 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 245 [2021-06-06 04:55:55,634 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 238 [2021-06-06 04:55:56,861 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 231 [2021-06-06 04:55:58,054 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 224 [2021-06-06 04:55:59,202 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 217 [2021-06-06 04:56:00,309 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 210 [2021-06-06 04:56:01,393 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 203 [2021-06-06 04:56:02,428 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-06-06 04:56:03,436 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 189 [2021-06-06 04:56:04,397 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-06-06 04:56:05,334 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-06-06 04:56:06,227 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 168 [2021-06-06 04:56:07,087 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-06-06 04:56:07,928 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-06-06 04:56:08,724 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-06-06 04:56:09,490 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-06-06 04:56:10,238 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-06-06 04:56:10,946 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-06-06 04:56:11,622 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-06-06 04:56:12,264 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-06-06 04:56:12,892 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-06-06 04:56:13,479 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-06-06 04:56:14,039 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-06-06 04:56:14,573 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-06-06 04:56:15,088 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-06-06 04:56:38,070 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 419 DAG size of output: 329 [2021-06-06 04:56:40,046 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 333 [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 04:57:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-06-06 04:57:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-06 04:57:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2021-06-06 04:57:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-06-06 04:57:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2021-06-06 04:57:12,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 04:57:12,984 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:57:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:57:12,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1926995135, now seen corresponding path program 12 times [2021-06-06 04:57:12,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:57:12,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457401320] [2021-06-06 04:57:12,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:57:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:58:02,899 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 04:58:02,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:58:02,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457401320] [2021-06-06 04:58:02,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457401320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:58:02,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125348663] [2021-06-06 04:58:02,900 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 04:58:08,509 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 279 check-sat command(s) [2021-06-06 04:58:08,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:58:08,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 1501 conjunts are in the unsatisfiable core [2021-06-06 04:58:08,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:00:21,292 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 05:00:21,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125348663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:00:21,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:00:21,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [289, 381] total 667 [2021-06-06 05:00:21,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332743297] [2021-06-06 05:00:21,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 668 states [2021-06-06 05:00:21,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:00:21,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 668 interpolants. [2021-06-06 05:00:21,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23533, Invalid=422023, Unknown=0, NotChecked=0, Total=445556 [2021-06-06 05:00:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:00:21,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:00:21,311 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 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2021-06-06 05:00:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:01:25,454 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 761 DAG size of output: 668 [2021-06-06 05:01:33,117 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 762 DAG size of output: 666 [2021-06-06 05:01:39,362 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 764 DAG size of output: 671 [2021-06-06 05:01:44,680 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 755 DAG size of output: 663 [2021-06-06 05:01:51,393 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 756 DAG size of output: 661 Received shutdown request... [2021-06-06 05:01:55,569 WARN L222 SmtUtils]: Removed 71 from assertion stack [2021-06-06 05:01:55,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:01:55,770 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 05:01:55,779 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 05:01:55,780 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 05:01:55,781 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 05:01:55 BasicIcfg [2021-06-06 05:01:55,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 05:01:55,781 INFO L168 Benchmark]: Toolchain (without parser) took 740136.61 ms. Allocated memory was 362.8 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 341.8 MB in the beginning and 647.4 MB in the end (delta: -305.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-06 05:01:55,781 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 362.8 MB. Free memory is still 342.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:01:55,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 362.8 MB. Free memory was 341.7 MB in the beginning and 340.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:01:55,781 INFO L168 Benchmark]: Boogie Preprocessor took 11.88 ms. Allocated memory is still 362.8 MB. Free memory was 340.2 MB in the beginning and 339.2 MB in the end (delta: 956.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-06 05:01:55,781 INFO L168 Benchmark]: RCFGBuilder took 224.11 ms. Allocated memory is still 362.8 MB. Free memory was 339.2 MB in the beginning and 328.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 05:01:55,781 INFO L168 Benchmark]: TraceAbstraction took 739874.70 ms. Allocated memory was 362.8 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 327.6 MB in the beginning and 647.4 MB in the end (delta: -319.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-06 05:01:55,782 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 362.8 MB. Free memory is still 342.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 362.8 MB. Free memory was 341.7 MB in the beginning and 340.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.88 ms. Allocated memory is still 362.8 MB. Free memory was 340.2 MB in the beginning and 339.2 MB in the end (delta: 956.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 224.11 ms. Allocated memory is still 362.8 MB. Free memory was 339.2 MB in the beginning and 328.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 739874.70 ms. Allocated memory was 362.8 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 327.6 MB in the beginning and 647.4 MB in the end (delta: -319.9 MB). Peak memory consumption was 1.4 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: 6380, positive: 4592, positive conditional: 4592, positive unconditional: 0, negative: 1788, negative conditional: 1788, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4606, positive: 4592, positive conditional: 4592, 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: 4606, positive: 4321, positive conditional: 0, positive unconditional: 4321, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4606, positive: 4304, positive conditional: 0, positive unconditional: 4304, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 300, positive: 211, positive conditional: 211, positive unconditional: 0, negative: 89, negative conditional: 47, negative unconditional: 42, 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: 1774 - 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 758 for 2846ms.. - 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: 739804.4ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.0ms, PartialOrderReductionTime: 393835.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1462, 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: 234.4ms SsaConstructionTime, 12631.6ms SatisfiabilityAnalysisTime, 330044.4ms 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