/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3-opt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:25:55,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:25:55,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:25:55,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 15:25:55,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 15:25:55,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 15:25:55,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 15:25:55,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 15:25:55,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 15:25:55,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 15:25:55,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 15:25:55,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 15:25:55,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:25:55,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:25:55,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:25:55,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:25:55,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:25:55,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:25:55,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:25:55,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:25:55,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:25:55,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:25:55,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:25:55,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:25:55,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 15:25:55,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 15:25:55,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 15:25:55,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 15:25:55,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 15:25:55,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 15:25:55,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 15:25:55,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 15:25:55,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 15:25:55,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 15:25:55,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 15:25:55,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 15:25:55,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 15:25:55,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 15:25:55,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:25:55,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:25:55,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:25:55,731 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-Random7777.epf [2021-07-10 15:25:55,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:25:55,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:25:55,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:25:55,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:25:55,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:25:55,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:25:55,769 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:25:55,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:25:55,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:25:55,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:25:55,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:25:55,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:25:55,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:25:55,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:25:55,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:25:55,773 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:25:56,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:25:56,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:25:56,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:25:56,036 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:25:56,037 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:25:56,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3-opt.wvr.bpl [2021-07-10 15:25:56,038 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3-opt.wvr.bpl' [2021-07-10 15:25:56,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:25:56,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:25:56,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:25:56,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:25:56,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:25:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:25:56,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:25:56,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:25:56,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:25:56,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/1) ... [2021-07-10 15:25:56,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:25:56,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:25:56,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:25:56,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:25:56,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (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 15:25:56,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:25:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:25:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:25:56,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:25:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:25:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:25:56,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:25:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:25:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:25:56,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 15:25:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 15:25:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 15:25:56,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 15:25:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 15:25:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 15:25:56,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-10 15:25:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-10 15:25:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-10 15:25:56,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-07-10 15:25:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-07-10 15:25:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-07-10 15:25:56,143 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 15:25:56,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:25:56,290 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 15:25:56,291 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,291 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,291 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,291 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,291 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,292 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-07-10 15:25:56,293 INFO L202 PluginConnector]: Adding new model exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:25:56 BoogieIcfgContainer [2021-07-10 15:25:56,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:25:56,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:25:56,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:25:56,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:25:56,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:25:56" (1/2) ... [2021-07-10 15:25:56,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de63a74 and model type exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:25:56, skipping insertion in model container [2021-07-10 15:25:56,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3-opt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:25:56" (2/2) ... [2021-07-10 15:25:56,298 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3-opt.wvr.bpl [2021-07-10 15:25:56,302 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:25:56,302 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:25:56,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:25:56,302 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:25:56,382 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-07-10 15:25:56,400 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 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 15:25:56,455 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:25:56,456 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:25:56,456 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:25:56,456 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:25:56,456 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:25:56,456 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:25:56,456 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:25:56,456 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:25:56,605 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-10 15:25:56,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:25:56,609 INFO L82 PathProgramCache]: Analyzing trace with hash -34743805, now seen corresponding path program 1 times [2021-07-10 15:25:56,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:25:56,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390627669] [2021-07-10 15:25:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:25:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:25:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:25:56,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:25:56,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390627669] [2021-07-10 15:25:56,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390627669] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:25:56,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:25:56,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 15:25:56,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102499450] [2021-07-10 15:25:56,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:25:56,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:25:56,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:25:56,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 15:25:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:56,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:25:56,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-07-10 15:25:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:56,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:25:56,812 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-10 15:25:56,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:25:56,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1925146522, now seen corresponding path program 1 times [2021-07-10 15:25:56,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:25:56,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29801791] [2021-07-10 15:25:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:25:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:25:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 15:25:56,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:25:56,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29801791] [2021-07-10 15:25:56,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29801791] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:25:56,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:25:56,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 15:25:56,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232331921] [2021-07-10 15:25:56,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:25:56,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:25:56,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:25:56,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 15:25:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:56,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:25:56,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 15:25:56,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:56,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:56,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 15:25:56,894 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-10 15:25:56,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:25:56,894 INFO L82 PathProgramCache]: Analyzing trace with hash 286449803, now seen corresponding path program 1 times [2021-07-10 15:25:56,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:25:56,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590455989] [2021-07-10 15:25:56,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:25:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:25:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 15:25:56,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:25:56,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590455989] [2021-07-10 15:25:56,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590455989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:25:56,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955231765] [2021-07-10 15:25:56,959 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 [2021-07-10 15:25:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:25:57,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 15:25:57,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:25:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 15:25:57,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955231765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:25:57,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:25:57,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-07-10 15:25:57,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604241050] [2021-07-10 15:25:57,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 15:25:57,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:25:57,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 15:25:57,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 15:25:57,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:57,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:25:57,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 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 15:25:57,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:57,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:25:57,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:25:57,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:25:57,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:356) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-10 15:25:57,430 INFO L168 Benchmark]: Toolchain (without parser) took 1374.51 ms. Allocated memory is still 190.8 MB. Free memory was 169.2 MB in the beginning and 113.4 MB in the end (delta: 55.8 MB). Peak memory consumption was 56.9 MB. Max. memory is 8.0 GB. [2021-07-10 15:25:57,430 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 190.8 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:25:57,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 190.8 MB. Free memory was 169.1 MB in the beginning and 167.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:25:57,431 INFO L168 Benchmark]: Boogie Preprocessor took 11.77 ms. Allocated memory is still 190.8 MB. Free memory was 167.6 MB in the beginning and 166.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:25:57,431 INFO L168 Benchmark]: RCFGBuilder took 205.18 ms. Allocated memory is still 190.8 MB. Free memory was 166.6 MB in the beginning and 152.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 15:25:57,431 INFO L168 Benchmark]: TraceAbstraction took 1135.26 ms. Allocated memory is still 190.8 MB. Free memory was 151.5 MB in the beginning and 113.4 MB in the end (delta: 38.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:25:57,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 190.8 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 190.8 MB. Free memory was 169.1 MB in the beginning and 167.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.77 ms. Allocated memory is still 190.8 MB. Free memory was 167.6 MB in the beginning and 166.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 205.18 ms. Allocated memory is still 190.8 MB. Free memory was 166.6 MB in the beginning and 152.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1135.26 ms. Allocated memory is still 190.8 MB. Free memory was 151.5 MB in the beginning and 113.4 MB in the end (delta: 38.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...