/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:31:27,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:31:27,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:31:27,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 13:31:27,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 13:31:27,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 13:31:27,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 13:31:27,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 13:31:27,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 13:31:27,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 13:31:27,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 13:31:27,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 13:31:27,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:31:27,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:31:27,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:31:27,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:31:27,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:31:27,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:31:27,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:31:27,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:31:27,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:31:27,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:31:27,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:31:27,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:31:27,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:31:27,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 13:31:27,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 13:31:27,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 13:31:27,575 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-Random42.epf [2021-06-17 13:31:27,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:31:27,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:31:27,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:31:27,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:31:27,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:31:27,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:31:27,607 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:31:27,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:31:27,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:31:27,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:31:27,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:31:27,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:31:27,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:31:27,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:31:27,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:31:27,621 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:31:27,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:31:27,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:31:27,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:31:27,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:31:27,623 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:31:27,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:31:27,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:31:27,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:31:27,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:31:27,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:31:27,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:31:27,871 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:31:27,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-17 13:31:27,872 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-17 13:31:27,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:31:27,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:31:27,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:27,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:31:27,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:31:27,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:27,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:31:27,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:31:27,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:31:27,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:27,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:28,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:28,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/1) ... [2021-06-17 13:31:28,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:31:28,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:31:28,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:31:28,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:31:28,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (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 [2021-06-17 13:31:28,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:31:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:31:28,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:31:28,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:31:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:31:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:31:28,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:31:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:31:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:31:28,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 13:31:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 13:31:28,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 13:31:28,073 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 13:31:28,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:31:28,229 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:31:28,230 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:28 BoogieIcfgContainer [2021-06-17 13:31:28,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:31:28,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:31:28,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:31:28,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:31:28,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:27" (1/2) ... [2021-06-17 13:31:28,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fadeedb and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:31:28, skipping insertion in model container [2021-06-17 13:31:28,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:28" (2/2) ... [2021-06-17 13:31:28,235 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-17 13:31:28,239 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:31:28,239 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:31:28,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:31:28,239 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:31:28,276 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 13:31:28,292 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 [2021-06-17 13:31:28,360 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:31:28,361 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:31:28,361 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:31:28,361 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:31:28,361 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:31:28,361 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:31:28,361 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:31:28,362 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:31:28,592 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:28,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:28,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1098843503, now seen corresponding path program 1 times [2021-06-17 13:31:28,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:28,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229696229] [2021-06-17 13:31:28,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-17 13:31:28,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:28,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229696229] [2021-06-17 13:31:28,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229696229] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:28,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:31:28,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:31:28,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422600898] [2021-06-17 13:31:28,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:31:28,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:28,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:31:28,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:31:28,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:28,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:28,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 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) [2021-06-17 13:31:28,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:28,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:31:28,856 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:28,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:28,858 INFO L82 PathProgramCache]: Analyzing trace with hash 11272555, now seen corresponding path program 2 times [2021-06-17 13:31:28,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:28,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199639466] [2021-06-17 13:31:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 13:31:28,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:28,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199639466] [2021-06-17 13:31:28,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199639466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:28,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781235647] [2021-06-17 13:31:28,948 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 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 [2021-06-17 13:31:29,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:31:29,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:29,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 13:31:29,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-17 13:31:29,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781235647] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:29,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 13:31:29,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2021-06-17 13:31:29,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844787327] [2021-06-17 13:31:29,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 13:31:29,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:29,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 13:31:29,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-17 13:31:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:29,150 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:29,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-06-17 13:31:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:29,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:29,501 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:29,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:29,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1934732535, now seen corresponding path program 3 times [2021-06-17 13:31:29,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:29,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436917007] [2021-06-17 13:31:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 13:31:29,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:29,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436917007] [2021-06-17 13:31:29,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436917007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:29,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202085650] [2021-06-17 13:31:29,573 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 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 [2021-06-17 13:31:29,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 13:31:29,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:29,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 13:31:29,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:29,783 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:29,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-17 13:31:29,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:29,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:29,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:31:29,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-06-17 13:31:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:29,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202085650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:29,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:29,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-06-17 13:31:29,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575716122] [2021-06-17 13:31:29,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 13:31:29,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:29,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 13:31:29,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-17 13:31:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:29,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:29,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 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) [2021-06-17 13:31:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:30,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:30,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:30,477 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:30,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1617400532, now seen corresponding path program 4 times [2021-06-17 13:31:30,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:30,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748965875] [2021-06-17 13:31:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:30,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:30,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748965875] [2021-06-17 13:31:30,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748965875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:30,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065584505] [2021-06-17 13:31:30,735 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 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 [2021-06-17 13:31:30,795 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:31:30,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:30,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 13:31:30,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:30,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 13:31:30,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:30,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:30,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:30,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:41 [2021-06-17 13:31:31,798 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:31,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2021-06-17 13:31:31,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:31,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:31,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:31,824 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:53, output treesize:39 [2021-06-17 13:31:32,956 INFO L354 Elim1Store]: treesize reduction 36, result has 7.7 percent of original size [2021-06-17 13:31:32,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2021-06-17 13:31:32,961 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:32,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:32,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:32,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-06-17 13:31:32,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:32,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:32,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:31:32,982 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:3 [2021-06-17 13:31:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:32,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065584505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:32,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:32,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-17 13:31:32,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324839667] [2021-06-17 13:31:32,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 13:31:32,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:33,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 13:31:33,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=252, Unknown=5, NotChecked=0, Total=306 [2021-06-17 13:31:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:33,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:33,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:31:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:33,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:33,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:41,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:41,977 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1202056247, now seen corresponding path program 5 times [2021-06-17 13:31:41,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:41,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890847179] [2021-06-17 13:31:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-06-17 13:31:42,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:42,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890847179] [2021-06-17 13:31:42,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890847179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:42,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261633853] [2021-06-17 13:31:42,060 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-17 13:31:42,107 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-17 13:31:42,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:42,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 13:31:42,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-17 13:31:42,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261633853] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:42,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 13:31:42,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-06-17 13:31:42,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749386198] [2021-06-17 13:31:42,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:31:42,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:42,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:31:42,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-17 13:31:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:42,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:42,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:31:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:42,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-17 13:31:42,469 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash -348629865, now seen corresponding path program 6 times [2021-06-17 13:31:42,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:42,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439703336] [2021-06-17 13:31:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 61 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-17 13:31:42,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:42,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439703336] [2021-06-17 13:31:42,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439703336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:42,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130871502] [2021-06-17 13:31:42,537 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-17 13:31:42,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-17 13:31:42,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:42,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 13:31:42,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:42,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:42,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-17 13:31:42,796 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:42,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:42,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:31:42,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-06-17 13:31:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 86 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-17 13:31:42,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130871502] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:42,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:42,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 13 [2021-06-17 13:31:42,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950583651] [2021-06-17 13:31:42,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 13:31:42,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:42,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 13:31:42,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-17 13:31:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:42,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:42,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 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) [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 13:31:43,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:43,753 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:43,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:43,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1570191274, now seen corresponding path program 7 times [2021-06-17 13:31:43,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:43,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259472785] [2021-06-17 13:31:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-17 13:31:44,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:44,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259472785] [2021-06-17 13:31:44,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259472785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:44,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188767744] [2021-06-17 13:31:44,042 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:44,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-17 13:31:44,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:44,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:44,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2021-06-17 13:31:44,849 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:44,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:44,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:44,890 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:73 [2021-06-17 13:31:46,171 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-06-17 13:31:46,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-06-17 13:31:46,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:46,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 54 [2021-06-17 13:31:46,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:46,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-17 13:31:46,306 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:159, output treesize:126 [2021-06-17 13:31:46,398 INFO L354 Elim1Store]: treesize reduction 122, result has 5.4 percent of original size [2021-06-17 13:31:46,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 37 [2021-06-17 13:31:46,401 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 13:31:46,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,425 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2021-06-17 13:31:46,436 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:46,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:46,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:31:46,441 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2021-06-17 13:31:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:31:46,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188767744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:46,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:46,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 23 [2021-06-17 13:31:46,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976219312] [2021-06-17 13:31:46,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 13:31:46,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:46,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 13:31:46,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=483, Unknown=1, NotChecked=0, Total=552 [2021-06-17 13:31:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:46,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:46,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.75) internal successors, (66), 23 states have internal predecessors, (66), 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) [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 13:31:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:02,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:02,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:32:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:32:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:32:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:32:03,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:32:03,050 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:03,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:03,051 INFO L82 PathProgramCache]: Analyzing trace with hash 977068534, now seen corresponding path program 1 times [2021-06-17 13:32:03,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:03,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841485603] [2021-06-17 13:32:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-17 13:32:03,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:03,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841485603] [2021-06-17 13:32:03,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841485603] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:32:03,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:32:03,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 13:32:03,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423577895] [2021-06-17 13:32:03,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:32:03,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:03,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:32:03,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:32:03,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:03,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:03,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:32:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 13:32:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 13:32:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:11,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-17 13:32:11,435 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 13:32:11,437 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 01:32:11 BasicIcfg [2021-06-17 13:32:11,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 13:32:11,437 INFO L168 Benchmark]: Toolchain (without parser) took 43486.49 ms. Allocated memory was 216.0 MB in the beginning and 317.7 MB in the end (delta: 101.7 MB). Free memory was 196.7 MB in the beginning and 192.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 105.6 MB. Max. memory is 8.0 GB. [2021-06-17 13:32:11,437 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 216.0 MB. Free memory is still 197.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:32:11,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 216.0 MB. Free memory was 196.7 MB in the beginning and 195.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:32:11,438 INFO L168 Benchmark]: Boogie Preprocessor took 22.70 ms. Allocated memory is still 216.0 MB. Free memory was 195.2 MB in the beginning and 194.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:32:11,438 INFO L168 Benchmark]: RCFGBuilder took 222.01 ms. Allocated memory is still 216.0 MB. Free memory was 194.0 MB in the beginning and 180.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 13:32:11,438 INFO L168 Benchmark]: TraceAbstraction took 43205.50 ms. Allocated memory was 216.0 MB in the beginning and 317.7 MB in the end (delta: 101.7 MB). Free memory was 179.5 MB in the beginning and 192.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 88.8 MB. Max. memory is 8.0 GB. [2021-06-17 13:32:11,438 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 0.09 ms. Allocated memory is still 216.0 MB. Free memory is still 197.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 216.0 MB. Free memory was 196.7 MB in the beginning and 195.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.70 ms. Allocated memory is still 216.0 MB. Free memory was 195.2 MB in the beginning and 194.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 222.01 ms. Allocated memory is still 216.0 MB. Free memory was 194.0 MB in the beginning and 180.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43205.50 ms. Allocated memory was 216.0 MB in the beginning and 317.7 MB in the end (delta: 101.7 MB). Free memory was 179.5 MB in the beginning and 192.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 88.8 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: 14794, positive: 13106, positive conditional: 12570, positive unconditional: 536, negative: 1688, negative conditional: 1680, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13251, positive: 13106, positive conditional: 12570, positive unconditional: 536, negative: 145, negative conditional: 137, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13251, positive: 12280, positive conditional: 0, positive unconditional: 12280, negative: 971, negative conditional: 0, negative unconditional: 971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 378, positive: 372, positive conditional: 0, positive unconditional: 372, 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: 378, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13251, positive: 11908, positive conditional: 0, positive unconditional: 11908, negative: 965, negative conditional: 0, negative unconditional: 965, unknown: 378, unknown conditional: 0, unknown unconditional: 378] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402 ], Maximal queried relation: 8, Independence queries for same thread: 1543 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 589, Number of persistent set computation: 7856, Number of trivial persistent sets: 6816, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14794, positive: 13106, positive conditional: 12570, positive unconditional: 536, negative: 1688, negative conditional: 1680, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13251, positive: 13106, positive conditional: 12570, positive unconditional: 536, negative: 145, negative conditional: 137, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13251, positive: 12280, positive conditional: 0, positive unconditional: 12280, negative: 971, negative conditional: 0, negative unconditional: 971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 378, positive: 372, positive conditional: 0, positive unconditional: 372, 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: 378, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13251, positive: 11908, positive conditional: 0, positive unconditional: 11908, negative: 965, negative conditional: 0, negative unconditional: 965, unknown: 378, unknown conditional: 0, unknown unconditional: 378] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402, SemanticConditionEliminator.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1962, positive: 826, positive conditional: 826, positive unconditional: 0, negative: 1136, negative conditional: 718, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 52, negative conditional: 46, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 204, negative conditional: 105, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1962, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 1090, negative conditional: 672, negative unconditional: 418, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 379, Positive conditional cache size: 7, Positive unconditional cache size: 372, Negative cache size: 52, Negative conditional cache size: 46, Negative unconditional cache size: 6, Eliminated conditions: 402 ], Maximal queried relation: 8, Independence queries for same thread: 1543 - PositiveResult [Line: 70]: 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, 47 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43117.3ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 35055.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 112, 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: 59.6ms SsaConstructionTime, 197.0ms SatisfiabilityAnalysisTime, 6166.1ms InterpolantComputationTime, 632 NumberOfCodeBlocks, 632 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 618 ConstructedInterpolants, 55 QuantifiedInterpolants, 4222 SizeOfPredicates, 24 NumberOfNonLiveVariables, 674 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 527/700 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...