/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/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:11:16,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:11:16,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:11:16,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 15:11:16,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 15:11:16,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 15:11:16,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 15:11:16,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 15:11:16,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 15:11:16,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 15:11:16,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 15:11:16,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 15:11:16,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:11:16,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:11:16,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:11:16,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:11:16,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:11:16,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:11:16,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:11:16,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:11:16,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:11:16,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:11:16,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:11:16,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:11:16,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 15:11:16,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 15:11:16,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 15:11:16,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 15:11:16,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 15:11:16,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 15:11:16,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 15:11:16,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 15:11:16,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 15:11:16,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 15:11:16,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 15:11:16,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 15:11:16,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 15:11:16,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 15:11:16,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:11:16,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:11:16,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:11:16,874 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 15:11:16,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:11:16,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:11:16,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:11:16,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:11:16,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:11:16,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:11:16,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:11:16,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:11:16,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:11:16,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:11:16,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:11:16,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:11:16,945 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:11:16,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:11:16,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:11:17,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:11:17,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:11:17,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:11:17,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 15:11:17,196 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 15:11:17,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-07-10 15:11:17,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d2fd49b/2f58dc62c8c74e5d934966f7c0e728f1/FLAGab7225d0f [2021-07-10 15:11:17,692 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 15:11:17,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-07-10 15:11:17,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d2fd49b/2f58dc62c8c74e5d934966f7c0e728f1/FLAGab7225d0f [2021-07-10 15:11:18,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d2fd49b/2f58dc62c8c74e5d934966f7c0e728f1 [2021-07-10 15:11:18,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:11:18,051 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 15:11:18,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 15:11:18,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 15:11:18,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 15:11:18,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c0fbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18, skipping insertion in model container [2021-07-10 15:11:18,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 15:11:18,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 15:11:18,229 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-10 15:11:18,357 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2021-07-10 15:11:18,365 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2021-07-10 15:11:18,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:11:18,384 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 15:11:18,404 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-10 15:11:18,421 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2021-07-10 15:11:18,424 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2021-07-10 15:11:18,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:11:18,458 INFO L208 MainTranslator]: Completed translation [2021-07-10 15:11:18,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18 WrapperNode [2021-07-10 15:11:18,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 15:11:18,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:11:18,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:11:18,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:11:18,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:11:18,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:11:18,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:11:18,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:11:18,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (1/1) ... [2021-07-10 15:11:18,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:11:18,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:11:18,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:11:18,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:11:18,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (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 15:11:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 15:11:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-07-10 15:11:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-07-10 15:11:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-10 15:11:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-10 15:11:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 15:11:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:11:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:11:18,611 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 15:11:18,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:11:18,838 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-10 15:11:18,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:11:18 BoogieIcfgContainer [2021-07-10 15:11:18,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:11:18,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:11:18,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:11:18,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:11:18,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:11:18" (1/3) ... [2021-07-10 15:11:18,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b70bde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:11:18, skipping insertion in model container [2021-07-10 15:11:18,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:11:18" (2/3) ... [2021-07-10 15:11:18,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b70bde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:11:18, skipping insertion in model container [2021-07-10 15:11:18,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:11:18" (3/3) ... [2021-07-10 15:11:18,845 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2021-07-10 15:11:18,848 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:11:18,849 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:11:18,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-10 15:11:18,849 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:11:18,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,882 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,898 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,898 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:11:18,905 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 15:11:18,919 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 15:11:18,949 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:11:18,949 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:11:18,949 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:11:18,949 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:11:18,949 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:11:18,949 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:11:18,950 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:11:18,950 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-07-10 15:11:19,065 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:19,069 INFO L82 PathProgramCache]: Analyzing trace with hash -637970688, now seen corresponding path program 1 times [2021-07-10 15:11:19,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:19,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142225408] [2021-07-10 15:11:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:19,181 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 15:11:19,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:19,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142225408] [2021-07-10 15:11:19,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142225408] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:19,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:11:19,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 15:11:19,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262374787] [2021-07-10 15:11:19,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 15:11:19,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:19,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 15:11:19,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 15:11:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:19,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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 15:11:19,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:11:19,205 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:19,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:19,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1206180487, now seen corresponding path program 1 times [2021-07-10 15:11:19,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:19,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483008265] [2021-07-10 15:11:19,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:19,261 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 15:11:19,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:19,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483008265] [2021-07-10 15:11:19,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483008265] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:19,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:11:19,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 15:11:19,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050241119] [2021-07-10 15:11:19,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:11:19,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:19,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:11:19,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:11:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:19,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 15:11:19,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:19,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 15:11:19,316 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:19,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1579293080, now seen corresponding path program 1 times [2021-07-10 15:11:19,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:19,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194804054] [2021-07-10 15:11:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 15:11:19,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:19,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194804054] [2021-07-10 15:11:19,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194804054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:19,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084103620] [2021-07-10 15:11:19,382 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 15:11:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:19,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 15:11:19,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:11:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 15:11:19,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084103620] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:19,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 15:11:19,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-07-10 15:11:19,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148274172] [2021-07-10 15:11:19,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:11:19,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:19,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:11:19,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 15:11:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:19,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 15:11:19,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:19,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:19,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:11:19,891 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:19,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:19,892 INFO L82 PathProgramCache]: Analyzing trace with hash -386560789, now seen corresponding path program 1 times [2021-07-10 15:11:19,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:19,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523306932] [2021-07-10 15:11:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:11:19,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:19,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523306932] [2021-07-10 15:11:19,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523306932] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:19,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057933540] [2021-07-10 15:11:19,963 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 [2021-07-10 15:11:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:20,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 15:11:20,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:11:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:11:20,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057933540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:11:20,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:11:20,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 15:11:20,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172475996] [2021-07-10 15:11:20,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 15:11:20,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:20,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 15:11:20,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 15:11:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:20,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 15:11:20,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:20,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:20,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:11:20,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:11:20,481 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 15:11:20,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:11:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash -99419485, now seen corresponding path program 1 times [2021-07-10 15:11:20,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:11:20,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951985921] [2021-07-10 15:11:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:11:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:11:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:11:20,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:11:20,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951985921] [2021-07-10 15:11:20,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951985921] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:11:20,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:11:20,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 15:11:20,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187528333] [2021-07-10 15:11:20,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:11:20,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:11:20,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:11:20,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:11:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:11:20,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:11:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:11:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:11:20,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:11:20,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:11:20,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 15:11:20,645 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:142) at java.base/java.util.TimSort.binarySort(TimSort.java:296) at java.base/java.util.TimSort.sort(TimSort.java:221) 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 15:11:20,646 INFO L168 Benchmark]: Toolchain (without parser) took 2595.25 ms. Allocated memory was 188.7 MB in the beginning and 278.9 MB in the end (delta: 90.2 MB). Free memory was 151.5 MB in the beginning and 213.5 MB in the end (delta: -61.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,646 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 188.7 MB. Free memory is still 170.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:11:20,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.25 ms. Allocated memory is still 188.7 MB. Free memory was 151.3 MB in the beginning and 161.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.59 ms. Allocated memory is still 188.7 MB. Free memory was 161.8 MB in the beginning and 160.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,647 INFO L168 Benchmark]: Boogie Preprocessor took 24.22 ms. Allocated memory is still 188.7 MB. Free memory was 160.2 MB in the beginning and 158.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,647 INFO L168 Benchmark]: RCFGBuilder took 320.52 ms. Allocated memory is still 188.7 MB. Free memory was 158.7 MB in the beginning and 132.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,647 INFO L168 Benchmark]: TraceAbstraction took 1804.86 ms. Allocated memory was 188.7 MB in the beginning and 278.9 MB in the end (delta: 90.2 MB). Free memory was 131.9 MB in the beginning and 213.5 MB in the end (delta: -81.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. [2021-07-10 15:11:20,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 188.7 MB. Free memory is still 170.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 405.25 ms. Allocated memory is still 188.7 MB. Free memory was 151.3 MB in the beginning and 161.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.59 ms. Allocated memory is still 188.7 MB. Free memory was 161.8 MB in the beginning and 160.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.22 ms. Allocated memory is still 188.7 MB. Free memory was 160.2 MB in the beginning and 158.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 320.52 ms. Allocated memory is still 188.7 MB. Free memory was 158.7 MB in the beginning and 132.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1804.86 ms. Allocated memory was 188.7 MB in the beginning and 278.9 MB in the end (delta: 90.2 MB). Free memory was 131.9 MB in the beginning and 213.5 MB in the end (delta: -81.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...