/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:09:01,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:09:01,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:09:01,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 11:09:01,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 11:09:01,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 11:09:01,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 11:09:01,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 11:09:01,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 11:09:01,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 11:09:01,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 11:09:01,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 11:09:01,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 11:09:01,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 11:09:01,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 11:09:01,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 11:09:01,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 11:09:01,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 11:09:01,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 11:09:01,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 11:09:01,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 11:09:01,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 11:09:01,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 11:09:01,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 11:09:01,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 11:09:01,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 11:09:01,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 11:09:01,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 11:09:01,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 11:09:01,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 11:09:01,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 11:09:01,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 11:09:01,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 11:09:01,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 11:09:01,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 11:09:01,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 11:09:01,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 11:09:01,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 11:09:01,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:09:01,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:09:01,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:09:01,698 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.epf [2021-07-10 11:09:01,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:09:01,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:09:01,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:09:01,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:09:01,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:09:01,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:09:01,755 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:09:01,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:09:01,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:09:01,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:09:01,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:09:01,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:09:01,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:09:01,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:09:01,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:09:01,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:09:01,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:09:01,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:09:01,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:09:01,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:09:01,759 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:09:01,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:09:02,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:09:02,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:09:02,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:09:02,078 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:09:02,079 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:09:02,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl [2021-07-10 11:09:02,080 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl' [2021-07-10 11:09:02,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:09:02,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:09:02,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:09:02,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:09:02,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:09:02,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:09:02,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:09:02,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:09:02,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:09:02,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/1) ... [2021-07-10 11:09:02,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:09:02,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:09:02,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:09:02,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:09:02,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (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 [2021-07-10 11:09:02,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:09:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:09:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:09:02,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:09:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:09:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:09:02,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:09:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:09:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:09:02,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 11:09:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 11:09:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 11:09:02,226 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:09:02,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:09:02,503 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:09:02,504 INFO L202 PluginConnector]: Adding new model collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:09:02 BoogieIcfgContainer [2021-07-10 11:09:02,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:09:02,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:09:02,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:09:02,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:09:02,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:09:02" (1/2) ... [2021-07-10 11:09:02,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f006751 and model type collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:09:02, skipping insertion in model container [2021-07-10 11:09:02,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:09:02" (2/2) ... [2021-07-10 11:09:02,511 INFO L111 eAbstractionObserver]: Analyzing ICFG collitem-subst.wvr.bpl [2021-07-10 11:09:02,515 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:09:02,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:09:02,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:09:02,516 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:09:02,574 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 11:09:02,593 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 [2021-07-10 11:09:02,648 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:09:02,649 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:09:02,649 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:09:02,649 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:09:02,649 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:09:02,649 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:09:02,649 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:09:02,649 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:09:02,740 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:02,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1518850950, now seen corresponding path program 1 times [2021-07-10 11:09:02,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:02,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499829658] [2021-07-10 11:09:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:03,584 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2021-07-10 11:09:03,827 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 119 [2021-07-10 11:09:04,323 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-07-10 11:09:04,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:04,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:04,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499829658] [2021-07-10 11:09:04,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499829658] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:09:04,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:09:04,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 11:09:04,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824525906] [2021-07-10 11:09:04,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 11:09:04,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:04,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 11:09:04,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 11:09:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:04,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:04,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:09:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:04,611 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-10 11:09:04,801 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 11:09:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:04,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:09:04,812 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 11:09:04,814 INFO L202 PluginConnector]: Adding new model collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 11:09:04 BasicIcfg [2021-07-10 11:09:04,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 11:09:04,815 INFO L168 Benchmark]: Toolchain (without parser) took 2712.25 ms. Allocated memory was 211.8 MB in the beginning and 267.4 MB in the end (delta: 55.6 MB). Free memory was 192.5 MB in the beginning and 140.2 MB in the end (delta: 52.3 MB). Peak memory consumption was 109.5 MB. Max. memory is 8.0 GB. [2021-07-10 11:09:04,815 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 211.8 MB. Free memory was 193.7 MB in the beginning and 193.6 MB in the end (delta: 100.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 11:09:04,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.77 ms. Allocated memory is still 211.8 MB. Free memory was 192.4 MB in the beginning and 190.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:09:04,816 INFO L168 Benchmark]: Boogie Preprocessor took 16.92 ms. Allocated memory is still 211.8 MB. Free memory was 190.9 MB in the beginning and 189.9 MB in the end (delta: 997.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:09:04,817 INFO L168 Benchmark]: RCFGBuilder took 359.05 ms. Allocated memory is still 211.8 MB. Free memory was 189.8 MB in the beginning and 172.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-10 11:09:04,817 INFO L168 Benchmark]: TraceAbstraction took 2307.91 ms. Allocated memory was 211.8 MB in the beginning and 267.4 MB in the end (delta: 55.6 MB). Free memory was 172.2 MB in the beginning and 140.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 88.5 MB. Max. memory is 8.0 GB. [2021-07-10 11:09:04,819 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 0.15 ms. Allocated memory is still 211.8 MB. Free memory was 193.7 MB in the beginning and 193.6 MB in the end (delta: 100.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.77 ms. Allocated memory is still 211.8 MB. Free memory was 192.4 MB in the beginning and 190.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.92 ms. Allocated memory is still 211.8 MB. Free memory was 190.9 MB in the beginning and 189.9 MB in the end (delta: 997.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 359.05 ms. Allocated memory is still 211.8 MB. Free memory was 189.8 MB in the beginning and 172.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2307.91 ms. Allocated memory was 211.8 MB in the beginning and 267.4 MB in the end (delta: 55.6 MB). Free memory was 172.2 MB in the beginning and 140.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 88.5 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: 142, positive: 142, positive conditional: 36, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 36, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 39, Number of persistent set computation: 14, Number of trivial persistent sets: 6, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 36, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 36, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 68]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2203.7ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 446.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 12.0ms SsaConstructionTime, 144.5ms SatisfiabilityAnalysisTime, 1437.4ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...