/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 22:26:34,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 22:26:34,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 22:26:34,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 22:26:34,541 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-14 22:26:34,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 22:26:34,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 22:26:34,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 22:26:34,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 22:26:34,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 22:26:34,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 22:26:34,586 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 22:26:34,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 22:26:34,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 22:26:34,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 22:26:34,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 22:26:34,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 22:26:34,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 22:26:34,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 22:26:34,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 22:26:34,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 22:26:34,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 22:26:34,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 22:26:34,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 22:26:34,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 22:26:34,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 22:26:34,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 22:26:34,591 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 22:26:34,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 22:26:34,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 22:26:34,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 22:26:34,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 22:26:34,938 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 22:26:34,939 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 22:26:34,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl [2021-06-14 22:26:34,940 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl' [2021-06-14 22:26:34,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 22:26:34,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 22:26:34,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 22:26:34,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 22:26:34,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 22:26:34,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 22:26:34,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 22:26:34,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 22:26:34,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 22:26:34,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:34,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:35,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:35,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/1) ... [2021-06-14 22:26:35,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 22:26:35,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 22:26:35,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 22:26:35,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 22:26:35,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (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 22:26:35,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 22:26:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 22:26:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 22:26:35,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 22:26:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 22:26:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 22:26:35,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 22:26:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 22:26:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 22:26:35,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 22:26:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 22:26:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 22:26:35,075 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 22:26:35,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 22:26:35,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 22:26:35,240 INFO L202 PluginConnector]: Adding new model multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 10:26:35 BoogieIcfgContainer [2021-06-14 22:26:35,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 22:26:35,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 22:26:35,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 22:26:35,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 22:26:35,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 10:26:34" (1/2) ... [2021-06-14 22:26:35,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e893f28 and model type multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 10:26:35, skipping insertion in model container [2021-06-14 22:26:35,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 10:26:35" (2/2) ... [2021-06-14 22:26:35,246 INFO L111 eAbstractionObserver]: Analyzing ICFG multiply-verify.wvr.bpl [2021-06-14 22:26:35,265 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 22:26:35,265 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 22:26:35,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 22:26:35,266 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 22:26:35,307 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 22:26:35,325 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 22:26:35,382 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 22:26:35,382 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 22:26:35,383 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 22:26:35,383 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 22:26:35,383 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 22:26:35,383 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 22:26:35,383 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 22:26:35,383 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 22:26:35,603 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:35,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:35,611 INFO L82 PathProgramCache]: Analyzing trace with hash -722539562, now seen corresponding path program 1 times [2021-06-14 22:26:35,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:35,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522165727] [2021-06-14 22:26:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 22:26:35,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:35,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522165727] [2021-06-14 22:26:35,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522165727] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 22:26:35,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 22:26:35,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 22:26:35,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461057364] [2021-06-14 22:26:35,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 22:26:35,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:35,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 22:26:35,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 22:26:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:35,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:35,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 22:26:35,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:35,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 22:26:35,920 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:35,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:35,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1406159752, now seen corresponding path program 1 times [2021-06-14 22:26:35,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:35,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869180426] [2021-06-14 22:26:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:35,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:35,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869180426] [2021-06-14 22:26:35,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869180426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:35,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987393874] [2021-06-14 22:26:35,984 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 22:26:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:36,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 22:26:36,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:36,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987393874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:36,224 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:36,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-06-14 22:26:36,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323488866] [2021-06-14 22:26:36,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 22:26:36,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:36,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 22:26:36,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-14 22:26:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:36,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:36,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 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) [2021-06-14 22:26:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:36,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:26:36,597 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:36,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:36,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1356692154, now seen corresponding path program 2 times [2021-06-14 22:26:36,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:36,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141508275] [2021-06-14 22:26:36,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 22:26:36,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:36,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141508275] [2021-06-14 22:26:36,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141508275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:36,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878878476] [2021-06-14 22:26:36,675 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 [2021-06-14 22:26:36,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 22:26:36,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:36,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 22:26:36,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 22:26:36,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878878476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:36,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:36,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-06-14 22:26:36,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722235405] [2021-06-14 22:26:36,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 22:26:36,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 22:26:36,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-06-14 22:26:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:36,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:36,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 22:26:36,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:36,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:36,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 22:26:37,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:26:37,433 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:37,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1849043762, now seen corresponding path program 3 times [2021-06-14 22:26:37,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:37,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116436715] [2021-06-14 22:26:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-14 22:26:37,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:37,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116436715] [2021-06-14 22:26:37,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116436715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:37,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901503274] [2021-06-14 22:26:37,634 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 [2021-06-14 22:26:37,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 22:26:37,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:37,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-14 22:26:37,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:38,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901503274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:38,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:38,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15] total 19 [2021-06-14 22:26:38,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676012491] [2021-06-14 22:26:38,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 22:26:38,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:38,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 22:26:38,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-06-14 22:26:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:38,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:38,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 19 states have internal predecessors, (64), 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 22:26:38,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:38,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:38,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 22:26:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 22:26:38,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 22:26:38,541 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:38,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:38,541 INFO L82 PathProgramCache]: Analyzing trace with hash -498676194, now seen corresponding path program 4 times [2021-06-14 22:26:38,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:38,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586158564] [2021-06-14 22:26:38,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-06-14 22:26:38,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:38,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586158564] [2021-06-14 22:26:38,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586158564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:38,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234151734] [2021-06-14 22:26:38,595 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 [2021-06-14 22:26:38,633 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 22:26:38,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 22:26:38,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 22:26:38,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 22:26:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:38,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234151734] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 22:26:38,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 22:26:38,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2021-06-14 22:26:38,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586108720] [2021-06-14 22:26:38,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 22:26:38,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:38,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 22:26:38,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-06-14 22:26:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:38,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:38,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 22:26:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 22:26:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 22:26:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:39,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 22:26:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 22:26:39,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-14 22:26:39,729 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:39,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:39,729 INFO L82 PathProgramCache]: Analyzing trace with hash -302880066, now seen corresponding path program 2 times [2021-06-14 22:26:39,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:39,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657080687] [2021-06-14 22:26:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:39,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:39,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657080687] [2021-06-14 22:26:39,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657080687] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 22:26:39,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 22:26:39,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-14 22:26:39,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127639837] [2021-06-14 22:26:39,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 22:26:39,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:39,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 22:26:39,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-14 22:26:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:39,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:39,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 22:26:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 22:26:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 22:26:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:39,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 22:26:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 22:26:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 22:26:39,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-14 22:26:39,887 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 22:26:39,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 22:26:39,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1376958624, now seen corresponding path program 1 times [2021-06-14 22:26:39,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 22:26:39,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715540437] [2021-06-14 22:26:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 22:26:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 22:26:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 22:26:39,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 22:26:39,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715540437] [2021-06-14 22:26:39,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715540437] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 22:26:39,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 22:26:39,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-14 22:26:39,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389780571] [2021-06-14 22:26:39,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 22:26:39,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 22:26:39,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 22:26:39,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-14 22:26:39,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:39,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 22:26:39,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 22:26:39,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 22:26:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 22:26:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 22:26:40,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-14 22:26:40,569 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 22:26:40,571 INFO L202 PluginConnector]: Adding new model multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 10:26:40 BasicIcfg [2021-06-14 22:26:40,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 22:26:40,572 INFO L168 Benchmark]: Toolchain (without parser) took 5603.61 ms. Allocated memory was 180.4 MB in the beginning and 261.1 MB in the end (delta: 80.7 MB). Free memory was 161.4 MB in the beginning and 113.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 129.6 MB. Max. memory is 8.0 GB. [2021-06-14 22:26:40,572 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 180.4 MB. Free memory was 162.6 MB in the beginning and 162.5 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 22:26:40,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.15 ms. Allocated memory is still 180.4 MB. Free memory was 161.3 MB in the beginning and 159.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 22:26:40,572 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 180.4 MB. Free memory was 159.8 MB in the beginning and 158.9 MB in the end (delta: 992.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 22:26:40,573 INFO L168 Benchmark]: RCFGBuilder took 233.80 ms. Allocated memory is still 180.4 MB. Free memory was 158.9 MB in the beginning and 146.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-14 22:26:40,573 INFO L168 Benchmark]: TraceAbstraction took 5330.04 ms. Allocated memory was 180.4 MB in the beginning and 261.1 MB in the end (delta: 80.7 MB). Free memory was 145.7 MB in the beginning and 113.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 113.8 MB. Max. memory is 8.0 GB. [2021-06-14 22:26:40,573 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 180.4 MB. Free memory was 162.6 MB in the beginning and 162.5 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.15 ms. Allocated memory is still 180.4 MB. Free memory was 161.3 MB in the beginning and 159.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 180.4 MB. Free memory was 159.8 MB in the beginning and 158.9 MB in the end (delta: 992.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 233.80 ms. Allocated memory is still 180.4 MB. Free memory was 158.9 MB in the beginning and 146.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5330.04 ms. Allocated memory was 180.4 MB in the beginning and 261.1 MB in the end (delta: 80.7 MB). Free memory was 145.7 MB in the beginning and 113.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 113.8 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: 5404, positive: 4958, positive conditional: 4171, positive unconditional: 787, negative: 446, negative conditional: 432, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5022, positive: 4958, positive conditional: 4171, positive unconditional: 787, negative: 64, negative conditional: 50, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5022, positive: 4804, positive conditional: 0, positive unconditional: 4804, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5022, positive: 4358, positive conditional: 0, positive unconditional: 4358, negative: 212, negative conditional: 0, negative unconditional: 212, unknown: 452, unknown conditional: 0, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262 ], Maximal queried relation: 7, Independence queries for same thread: 382 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 400, Number of persistent set computation: 3142, Number of trivial persistent sets: 2713, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5404, positive: 4958, positive conditional: 4171, positive unconditional: 787, negative: 446, negative conditional: 432, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5022, positive: 4958, positive conditional: 4171, positive unconditional: 787, negative: 64, negative conditional: 50, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5022, positive: 4804, positive conditional: 0, positive unconditional: 4804, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5022, positive: 4358, positive conditional: 0, positive unconditional: 4358, negative: 212, negative conditional: 0, negative unconditional: 212, unknown: 452, unknown conditional: 0, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262, SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 345, negative conditional: 66, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 115, negative conditional: 24, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 499, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 337, negative conditional: 58, negative unconditional: 279, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 454, Positive conditional cache size: 8, Positive unconditional cache size: 446, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Eliminated conditions: 262 ], Maximal queried relation: 7, Independence queries for same thread: 382 - PositiveResult [Line: 68]: 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, 55 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5231.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 2331.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 123, 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: 42.5ms SsaConstructionTime, 162.1ms SatisfiabilityAnalysisTime, 1489.4ms InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 399 ConstructedInterpolants, 0 QuantifiedInterpolants, 2027 SizeOfPredicates, 14 NumberOfNonLiveVariables, 346 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 147/275 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...