/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 04:28:17,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 04:28:17,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 04:28:17,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 04:28:17,897 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 04:28:17,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 04:28:17,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 04:28:17,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 04:28:17,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 04:28:17,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 04:28:17,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 04:28:17,918 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 04:28:17,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 04:28:17,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 04:28:17,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 04:28:17,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 04:28:17,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 04:28:17,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 04:28:17,921 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 04:28:17,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 04:28:17,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 04:28:17,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 04:28:17,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 04:28:17,929 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 04:28:17,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 04:28:17,930 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 04:28:18,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 04:28:18,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 04:28:18,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 04:28:18,162 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 04:28:18,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 04:28:18,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-06-14 04:28:18,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-06-14 04:28:18,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 04:28:18,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 04:28:18,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 04:28:18,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 04:28:18,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 04:28:18,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 04:28:18,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 04:28:18,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 04:28:18,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 04:28:18,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/1) ... [2021-06-14 04:28:18,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 04:28:18,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 04:28:18,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 04:28:18,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 04:28:18,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (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 [2021-06-14 04:28:18,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 04:28:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 04:28:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 04:28:18,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 04:28:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 04:28:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 04:28:18,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 04:28:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 04:28:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 04:28:18,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 04:28:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 04:28:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 04:28:18,283 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 04:28:18,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 04:28:18,412 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 04:28:18,413 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:28:18 BoogieIcfgContainer [2021-06-14 04:28:18,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 04:28:18,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 04:28:18,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 04:28:18,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 04:28:18,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:28:18" (1/2) ... [2021-06-14 04:28:18,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180a0b2a and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:28:18, skipping insertion in model container [2021-06-14 04:28:18,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:28:18" (2/2) ... [2021-06-14 04:28:18,419 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-06-14 04:28:18,422 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 04:28:18,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 04:28:18,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 04:28:18,423 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 04:28:18,467 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 04:28:18,494 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 04:28:18,570 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 04:28:18,570 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 04:28:18,570 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 04:28:18,570 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 04:28:18,570 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 04:28:18,571 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 04:28:18,571 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 04:28:18,571 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 04:28:18,599 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:18,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:18,603 INFO L82 PathProgramCache]: Analyzing trace with hash 718541016, now seen corresponding path program 1 times [2021-06-14 04:28:18,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:18,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884009310] [2021-06-14 04:28:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:28:18,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:18,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884009310] [2021-06-14 04:28:18,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884009310] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 04:28:18,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 04:28:18,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 04:28:18,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834098731] [2021-06-14 04:28:18,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 04:28:18,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:18,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 04:28:18,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 04:28:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:18,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:18,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-06-14 04:28:18,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:18,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:18,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 04:28:18,870 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash 789575626, now seen corresponding path program 1 times [2021-06-14 04:28:18,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:18,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929426985] [2021-06-14 04:28:18,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:28:18,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:18,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929426985] [2021-06-14 04:28:18,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929426985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:18,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288131954] [2021-06-14 04:28:18,902 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 [2021-06-14 04:28:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:18,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-14 04:28:18,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:28:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:28:19,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288131954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:19,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:28:19,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-14 04:28:19,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707984462] [2021-06-14 04:28:19,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 04:28:19,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:19,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 04:28:19,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 04:28:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:19,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-06-14 04:28:19,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:19,369 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:19,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1944010290, now seen corresponding path program 1 times [2021-06-14 04:28:19,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:19,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378990841] [2021-06-14 04:28:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 04:28:19,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:19,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378990841] [2021-06-14 04:28:19,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378990841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:19,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520847995] [2021-06-14 04:28:19,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:19,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-14 04:28:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:28:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 04:28:19,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520847995] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 04:28:19,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 04:28:19,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2021-06-14 04:28:19,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270495648] [2021-06-14 04:28:19,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 04:28:19,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:19,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 04:28:19,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 04:28:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:19,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-06-14 04:28:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:19,733 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:19,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1145227468, now seen corresponding path program 1 times [2021-06-14 04:28:19,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:19,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513930612] [2021-06-14 04:28:19,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:28:19,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:19,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513930612] [2021-06-14 04:28:19,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513930612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:19,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883541551] [2021-06-14 04:28:19,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:19,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 04:28:19,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:28:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:28:19,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883541551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:19,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:28:19,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-14 04:28:19,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366359205] [2021-06-14 04:28:19,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 04:28:19,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 04:28:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-14 04:28:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:19,913 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-06-14 04:28:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:20,193 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:20,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1691004662, now seen corresponding path program 1 times [2021-06-14 04:28:20,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:20,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637090725] [2021-06-14 04:28:20,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-14 04:28:20,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:20,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637090725] [2021-06-14 04:28:20,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637090725] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 04:28:20,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 04:28:20,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 04:28:20,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594510279] [2021-06-14 04:28:20,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 04:28:20,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 04:28:20,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 04:28:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:20,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:20,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:28:20,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-14 04:28:20,300 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:20,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:20,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1877904082, now seen corresponding path program 2 times [2021-06-14 04:28:20,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:20,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622449299] [2021-06-14 04:28:20,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-14 04:28:20,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:20,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622449299] [2021-06-14 04:28:20,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622449299] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:20,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85176023] [2021-06-14 04:28:20,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:20,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:28:20,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:28:20,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 04:28:20,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:28:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-14 04:28:20,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85176023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:20,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:28:20,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-14 04:28:20,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558374630] [2021-06-14 04:28:20,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 04:28:20,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:20,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 04:28:20,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-14 04:28:20,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:20,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:20,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:28:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:28:20,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-14 04:28:20,777 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:28:20,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:28:20,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1173312310, now seen corresponding path program 3 times [2021-06-14 04:28:20,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:28:20,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826654056] [2021-06-14 04:28:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:28:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:28:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 04:28:20,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:28:20,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826654056] [2021-06-14 04:28:20,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826654056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:20,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376703748] [2021-06-14 04:28:20,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:20,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 04:28:20,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:28:20,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 04:28:20,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:28:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 04:28:20,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376703748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:28:20,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:28:20,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-14 04:28:20,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078803787] [2021-06-14 04:28:20,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 04:28:20,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:28:20,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 04:28:20,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-14 04:28:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:20,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:28:20,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:28:20,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:20,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:20,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:20,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:28:20,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 04:28:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:28:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:28:21,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:28:21,265 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 04:28:21,267 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:28:21 BasicIcfg [2021-06-14 04:28:21,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 04:28:21,267 INFO L168 Benchmark]: Toolchain (without parser) took 3086.58 ms. Allocated memory was 185.6 MB in the beginning and 235.9 MB in the end (delta: 50.3 MB). Free memory was 165.6 MB in the beginning and 177.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2021-06-14 04:28:21,267 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 166.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 04:28:21,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.52 ms. Allocated memory is still 185.6 MB. Free memory was 165.5 MB in the beginning and 164.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 04:28:21,267 INFO L168 Benchmark]: Boogie Preprocessor took 10.28 ms. Allocated memory is still 185.6 MB. Free memory was 164.1 MB in the beginning and 163.1 MB in the end (delta: 936.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 04:28:21,268 INFO L168 Benchmark]: RCFGBuilder took 201.89 ms. Allocated memory is still 185.6 MB. Free memory was 163.0 MB in the beginning and 152.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-14 04:28:21,268 INFO L168 Benchmark]: TraceAbstraction took 2852.49 ms. Allocated memory was 185.6 MB in the beginning and 235.9 MB in the end (delta: 50.3 MB). Free memory was 151.8 MB in the beginning and 177.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2021-06-14 04:28:21,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 166.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.52 ms. Allocated memory is still 185.6 MB. Free memory was 165.5 MB in the beginning and 164.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.28 ms. Allocated memory is still 185.6 MB. Free memory was 164.1 MB in the beginning and 163.1 MB in the end (delta: 936.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 201.89 ms. Allocated memory is still 185.6 MB. Free memory was 163.0 MB in the beginning and 152.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2852.49 ms. Allocated memory was 185.6 MB in the beginning and 235.9 MB in the end (delta: 50.3 MB). Free memory was 151.8 MB in the beginning and 177.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9396, positive: 7979, positive conditional: 7979, positive unconditional: 0, negative: 1417, negative conditional: 1417, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8000, positive: 7979, positive conditional: 7979, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8000, positive: 7653, positive conditional: 0, positive unconditional: 7653, negative: 347, negative conditional: 0, negative unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 143, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8000, positive: 7524, positive conditional: 0, positive unconditional: 7524, negative: 333, negative conditional: 0, negative unconditional: 333, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512, SemanticConditionEliminator.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 758, negative conditional: 246, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 26, negative conditional: 12, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 52, positive conditional: 42, positive unconditional: 10, negative: 73, negative conditional: 26, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1084, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 746, negative conditional: 234, negative unconditional: 512, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 156, Positive conditional cache size: 27, Positive unconditional cache size: 129, Negative cache size: 26, Negative conditional cache size: 12, Negative unconditional cache size: 14, Eliminated conditions: 512 ], Maximal queried relation: 7, Independence queries for same thread: 1396 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2744.4ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 576.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 33.7ms SsaConstructionTime, 99.5ms SatisfiabilityAnalysisTime, 676.3ms InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 702 SizeOfPredicates, 4 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 204/280 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...