/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 09:42:02,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:42:02,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:42:02,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 09:42:02,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 09:42:02,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 09:42:02,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 09:42:02,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 09:42:02,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 09:42:02,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 09:42:02,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 09:42:02,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 09:42:02,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 09:42:02,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 09:42:02,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 09:42:02,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 09:42:02,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 09:42:02,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 09:42:02,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 09:42:02,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 09:42:02,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 09:42:02,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 09:42:02,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 09:42:02,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 09:42:02,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 09:42:02,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 09:42:02,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 09:42:02,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 09:42:02,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 09:42:02,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 09:42:02,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 09:42:02,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 09:42:02,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 09:42:02,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 09:42:02,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 09:42:02,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 09:42:02,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 09:42:02,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 09:42:02,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 09:42:02,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 09:42:02,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 09:42:02,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 09:42:03,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:42:03,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:42:03,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:42:03,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:42:03,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:42:03,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:42:03,005 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:42:03,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:42:03,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:42:03,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:42:03,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:42:03,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:42:03,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:42:03,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:42:03,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:42:03,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:42:03,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:42:03,277 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:42:03,278 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:42:03,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2021-06-06 09:42:03,278 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2021-06-06 09:42:03,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:42:03,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:42:03,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:42:03,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:42:03,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:42:03,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:42:03,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:42:03,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:42:03,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:42:03,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... [2021-06-06 09:42:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:42:03,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:42:03,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:42:03,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:42:03,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:42:03,407 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 09:42:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 09:42:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 09:42:03,408 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 09:42:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 09:42:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 09:42:03,408 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:42:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:42:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:42:03,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 09:42:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 09:42:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 09:42:03,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 09:42:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 09:42:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 09:42:03,411 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 09:42:03,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:42:03,527 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 09:42:03,528 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:42:03 BoogieIcfgContainer [2021-06-06 09:42:03,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:42:03,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:42:03,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:42:03,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:42:03,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:42:03" (1/2) ... [2021-06-06 09:42:03,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65748031 and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:42:03, skipping insertion in model container [2021-06-06 09:42:03,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:42:03" (2/2) ... [2021-06-06 09:42:03,533 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2021-06-06 09:42:03,537 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:42:03,537 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:42:03,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:42:03,538 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:42:03,571 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 09:42:03,585 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 09:42:03,647 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:42:03,647 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:42:03,647 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:42:03,648 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:42:03,648 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:42:03,648 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:42:03,652 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:42:03,652 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:42:03,740 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:42:03,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:42:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash 576764032, now seen corresponding path program 1 times [2021-06-06 09:42:03,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:42:03,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125259701] [2021-06-06 09:42:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:42:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:03,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:42:03,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125259701] [2021-06-06 09:42:03,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125259701] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:42:03,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:42:03,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 09:42:03,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200328662] [2021-06-06 09:42:03,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:42:03,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:42:03,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:42:03,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:42:03,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:03,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:42:03,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:42:03,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:03,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:42:03,923 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:42:03,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:42:03,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1942678282, now seen corresponding path program 1 times [2021-06-06 09:42:03,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:42:03,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611877041] [2021-06-06 09:42:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:42:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:03,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:42:03,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611877041] [2021-06-06 09:42:03,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611877041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:03,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495924991] [2021-06-06 09:42:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:03,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 09:42:04,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:42:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:04,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495924991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:04,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:42:04,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 09:42:04,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752393287] [2021-06-06 09:42:04,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 09:42:04,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:42:04,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 09:42:04,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 09:42:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:04,071 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:42:04,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:42:04,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:04,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:04,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:04,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:04,354 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:42:04,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:42:04,355 INFO L82 PathProgramCache]: Analyzing trace with hash -198617953, now seen corresponding path program 1 times [2021-06-06 09:42:04,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:42:04,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116748040] [2021-06-06 09:42:04,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:42:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:04,428 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:42:04,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116748040] [2021-06-06 09:42:04,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116748040] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:04,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210106040] [2021-06-06 09:42:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:04,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 09:42:04,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:42:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:04,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210106040] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:04,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:42:04,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-06-06 09:42:04,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140964940] [2021-06-06 09:42:04,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 09:42:04,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:42:04,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 09:42:04,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-06 09:42:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:04,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:42:04,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:42:04,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:04,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:04,917 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:42:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:42:04,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1983776855, now seen corresponding path program 2 times [2021-06-06 09:42:04,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:42:04,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694724545] [2021-06-06 09:42:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:42:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:04,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:42:04,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694724545] [2021-06-06 09:42:04,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694724545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:04,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395429056] [2021-06-06 09:42:04,973 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:05,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:42:05,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:42:05,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 09:42:05,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:42:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:05,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395429056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:05,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:42:05,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 09:42:05,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684837166] [2021-06-06 09:42:05,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:42:05,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:42:05,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:42:05,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:42:05,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:05,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:42:05,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:42:05,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:05,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:05,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:05,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:42:05,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:42:05,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:42:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:42:05,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:05,624 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:42:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:42:05,625 INFO L82 PathProgramCache]: Analyzing trace with hash 210702240, now seen corresponding path program 3 times [2021-06-06 09:42:05,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:42:05,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731567858] [2021-06-06 09:42:05,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:42:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:42:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:42:05,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:42:05,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731567858] [2021-06-06 09:42:05,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731567858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:42:05,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794085389] [2021-06-06 09:42:05,731 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:42:05,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:42:05,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:42:05,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 09:42:05,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-06 09:56:35,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:56:35,040 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 09:56:35,046 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 09:56:35,047 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 09:56:35,047 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 09:56:35 BasicIcfg [2021-06-06 09:56:35,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 09:56:35,047 INFO L168 Benchmark]: Toolchain (without parser) took 871741.98 ms. Allocated memory was 364.9 MB in the beginning and 1.1 GB in the end (delta: 784.3 MB). Free memory was 344.4 MB in the beginning and 706.3 MB in the end (delta: -362.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-06 09:56:35,047 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 364.9 MB. Free memory was 345.5 MB in the beginning and 345.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 09:56:35,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.43 ms. Allocated memory is still 364.9 MB. Free memory was 344.3 MB in the beginning and 342.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 09:56:35,048 INFO L168 Benchmark]: Boogie Preprocessor took 14.47 ms. Allocated memory is still 364.9 MB. Free memory was 342.9 MB in the beginning and 341.9 MB in the end (delta: 959.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 09:56:35,048 INFO L168 Benchmark]: RCFGBuilder took 184.41 ms. Allocated memory is still 364.9 MB. Free memory was 341.9 MB in the beginning and 330.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 09:56:35,048 INFO L168 Benchmark]: TraceAbstraction took 871517.59 ms. Allocated memory was 364.9 MB in the beginning and 1.1 GB in the end (delta: 784.3 MB). Free memory was 329.8 MB in the beginning and 706.3 MB in the end (delta: -376.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-06 09:56:35,048 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 0.11 ms. Allocated memory is still 364.9 MB. Free memory was 345.5 MB in the beginning and 345.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.43 ms. Allocated memory is still 364.9 MB. Free memory was 344.3 MB in the beginning and 342.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.47 ms. Allocated memory is still 364.9 MB. Free memory was 342.9 MB in the beginning and 341.9 MB in the end (delta: 959.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 184.41 ms. Allocated memory is still 364.9 MB. Free memory was 341.9 MB in the beginning and 330.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 871517.59 ms. Allocated memory was 364.9 MB in the beginning and 1.1 GB in the end (delta: 784.3 MB). Free memory was 329.8 MB in the beginning and 706.3 MB in the end (delta: -376.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5656, positive: 5342, positive conditional: 5342, positive unconditional: 0, negative: 314, negative conditional: 314, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5342, positive: 5342, positive conditional: 5342, positive unconditional: 0, 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: 5342, positive: 5342, positive conditional: 0, positive unconditional: 5342, 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: 150, positive: 150, positive conditional: 0, positive unconditional: 150, 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: 150, positive: 150, positive conditional: 0, positive unconditional: 150, 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: 5342, positive: 5192, positive conditional: 0, positive unconditional: 5192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, 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): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, 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: 314 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 454 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 58 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 871439.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 542.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 17.8ms SsaConstructionTime, 68.7ms SatisfiabilityAnalysisTime, 565.3ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 1255 SizeOfPredicates, 8 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown