/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 10:57:56,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 10:57:56,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 10:57:56,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 10:57:56,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 10:57:56,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 10:57:56,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 10:57:56,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 10:57:56,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 10:57:56,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 10:57:56,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 10:57:56,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 10:57:56,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 10:57:56,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 10:57:56,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 10:57:56,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 10:57:56,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 10:57:56,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 10:57:56,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 10:57:56,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 10:57:56,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 10:57:56,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 10:57:56,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 10:57:56,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 10:57:56,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 10:57:56,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 10:57:56,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 10:57:56,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 10:57:56,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 10:57:56,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 10:57:56,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 10:57:56,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 10:57:56,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 10:57:56,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 10:57:56,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 10:57:56,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 10:57:56,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 10:57:56,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 10:57:56,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 10:57:56,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:57:56,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 10:57:56,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 10:57:56,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 10:57:56,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 10:57:56,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 10:57:56,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 10:57:56,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 10:57:56,932 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 10:57:56,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-09 10:57:56,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdbff5bb7/60a9cb75fd8440b68d2d74a612dcb153/FLAGde45b2122 [2022-02-09 10:57:57,427 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 10:57:57,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-09 10:57:57,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdbff5bb7/60a9cb75fd8440b68d2d74a612dcb153/FLAGde45b2122 [2022-02-09 10:57:57,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdbff5bb7/60a9cb75fd8440b68d2d74a612dcb153 [2022-02-09 10:57:57,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 10:57:57,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 10:57:57,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 10:57:57,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 10:57:57,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 10:57:57,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bea065b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57, skipping insertion in model container [2022-02-09 10:57:57,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 10:57:57,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 10:57:57,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-09 10:57:57,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:57:57,815 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 10:57:57,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-09 10:57:57,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:57:57,909 INFO L208 MainTranslator]: Completed translation [2022-02-09 10:57:57,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57 WrapperNode [2022-02-09 10:57:57,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 10:57:57,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 10:57:57,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 10:57:57,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 10:57:57,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,970 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-02-09 10:57:57,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 10:57:57,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 10:57:57,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 10:57:57,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 10:57:57,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:57,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:58,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 10:57:58,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 10:57:58,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 10:57:58,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 10:57:58,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (1/1) ... [2022-02-09 10:57:58,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:57:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:57:58,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 10:57:58,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 10:57:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-09 10:57:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-09 10:57:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-09 10:57:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-09 10:57:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-09 10:57:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-09 10:57:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 10:57:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 10:57:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 10:57:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 10:57:58,101 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 10:57:58,253 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 10:57:58,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 10:57:58,444 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 10:57:58,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 10:57:58,451 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 10:57:58,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:57:58 BoogieIcfgContainer [2022-02-09 10:57:58,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 10:57:58,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 10:57:58,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 10:57:58,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 10:57:58,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:57:57" (1/3) ... [2022-02-09 10:57:58,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79de89f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:57:58, skipping insertion in model container [2022-02-09 10:57:58,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:57:57" (2/3) ... [2022-02-09 10:57:58,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79de89f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:57:58, skipping insertion in model container [2022-02-09 10:57:58,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:57:58" (3/3) ... [2022-02-09 10:57:58,459 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-09 10:57:58,463 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 10:57:58,463 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 10:57:58,463 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 10:57:58,464 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 10:57:58,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,496 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,496 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,497 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,497 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,498 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,498 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,498 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,498 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,499 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,499 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,499 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,499 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,499 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,500 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,501 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,501 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,501 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,501 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,501 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,502 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,502 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,502 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,502 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,505 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,505 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,507 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,507 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,508 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,508 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,508 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,509 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,509 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,509 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:57:58,509 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 10:57:58,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 10:57:58,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:57:58,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 10:57:58,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 10:57:58,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 10:57:58,593 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 10:57:58,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 10:57:58,753 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:57:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:57:58,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1472762817, now seen corresponding path program 1 times [2022-02-09 10:57:58,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:57:58,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149701103] [2022-02-09 10:57:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:57:58,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:57:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:57:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:57:58,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:57:58,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149701103] [2022-02-09 10:57:58,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149701103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:57:58,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:57:58,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 10:57:58,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568908658] [2022-02-09 10:57:58,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:57:58,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 10:57:58,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:57:58,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 10:57:58,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 10:57:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:58,985 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:57:58,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2022-02-09 10:57:58,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 10:57:59,030 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:57:59,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:57:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1788437869, now seen corresponding path program 1 times [2022-02-09 10:57:59,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:57:59,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038540697] [2022-02-09 10:57:59,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:57:59,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:57:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:57:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:57:59,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:57:59,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038540697] [2022-02-09 10:57:59,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038540697] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:57:59,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:57:59,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 10:57:59,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375679366] [2022-02-09 10:57:59,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:57:59,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 10:57:59,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:57:59,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 10:57:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 10:57:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:57:59,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2022-02-09 10:57:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:57:59,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 10:57:59,470 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:57:59,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:57:59,471 INFO L85 PathProgramCache]: Analyzing trace with hash -214726845, now seen corresponding path program 1 times [2022-02-09 10:57:59,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:57:59,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412321598] [2022-02-09 10:57:59,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:57:59,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:57:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:57:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:57:59,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:57:59,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412321598] [2022-02-09 10:57:59,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412321598] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:57:59,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:57:59,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 10:57:59,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367881059] [2022-02-09 10:57:59,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:57:59,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 10:57:59,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:57:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 10:57:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-09 10:57:59,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,660 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:57:59,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2022-02-09 10:57:59,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:57:59,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:57:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:57:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:57:59,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 10:57:59,776 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:57:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:57:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2004804052, now seen corresponding path program 1 times [2022-02-09 10:57:59,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:57:59,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608627162] [2022-02-09 10:57:59,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:57:59,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:57:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:58:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:58:00,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:58:00,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608627162] [2022-02-09 10:58:00,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608627162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:58:00,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:58:00,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 10:58:00,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644878892] [2022-02-09 10:58:00,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:58:00,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 10:58:00,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:58:00,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 10:58:00,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 10:58:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:58:00,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2022-02-09 10:58:00,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:58:00,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 10:58:00,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:58:00,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:58:00,201 INFO L85 PathProgramCache]: Analyzing trace with hash 432659414, now seen corresponding path program 2 times [2022-02-09 10:58:00,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:58:00,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419183319] [2022-02-09 10:58:00,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:58:00,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:58:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:58:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:58:00,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:58:00,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419183319] [2022-02-09 10:58:00,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419183319] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:58:00,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:58:00,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 10:58:00,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77696543] [2022-02-09 10:58:00,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:58:00,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 10:58:00,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:58:00,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 10:58:00,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-09 10:58:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:58:00,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2022-02-09 10:58:00,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:58:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 10:58:00,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 10:58:00,653 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:58:00,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:58:00,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1263263351, now seen corresponding path program 1 times [2022-02-09 10:58:00,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:58:00,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396815165] [2022-02-09 10:58:00,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:58:00,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:58:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:58:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:58:00,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:58:00,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396815165] [2022-02-09 10:58:00,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396815165] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:58:00,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:58:00,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 10:58:00,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264051138] [2022-02-09 10:58:00,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:58:00,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 10:58:00,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:58:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 10:58:00,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-09 10:58:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:58:00,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) [2022-02-09 10:58:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:58:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 10:58:00,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:58:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 10:58:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:58:00,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 10:58:00,887 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 10:58:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:58:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1776990667, now seen corresponding path program 2 times [2022-02-09 10:58:00,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:58:00,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072273769] [2022-02-09 10:58:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:58:00,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:58:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:58:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:58:01,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:58:01,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072273769] [2022-02-09 10:58:01,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072273769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:58:01,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:58:01,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 10:58:01,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498935684] [2022-02-09 10:58:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:58:01,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 10:58:01,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:58:01,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 10:58:01,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-09 10:58:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:01,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:58:01,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:58:01,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:58:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 10:58:01,134 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 10:58:01,134 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 10:58:01,134 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 10:58:01,134 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 10:58:01,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 10:58:01,144 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2022-02-09 10:58:01,146 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 10:58:01,146 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 10:58:01,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:58:01 BasicIcfg [2022-02-09 10:58:01,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 10:58:01,149 INFO L158 Benchmark]: Toolchain (without parser) took 3692.75ms. Allocated memory was 205.5MB in the beginning and 267.4MB in the end (delta: 61.9MB). Free memory was 154.1MB in the beginning and 130.2MB in the end (delta: 23.9MB). Peak memory consumption was 86.6MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,149 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 205.5MB. Free memory is still 171.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 10:58:01,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.30ms. Allocated memory is still 205.5MB. Free memory was 154.0MB in the beginning and 172.8MB in the end (delta: -18.8MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.29ms. Allocated memory is still 205.5MB. Free memory was 172.8MB in the beginning and 170.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,150 INFO L158 Benchmark]: Boogie Preprocessor took 42.04ms. Allocated memory is still 205.5MB. Free memory was 170.7MB in the beginning and 169.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,150 INFO L158 Benchmark]: RCFGBuilder took 438.54ms. Allocated memory is still 205.5MB. Free memory was 169.5MB in the beginning and 156.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,150 INFO L158 Benchmark]: TraceAbstraction took 2694.43ms. Allocated memory was 205.5MB in the beginning and 267.4MB in the end (delta: 61.9MB). Free memory was 156.1MB in the beginning and 130.2MB in the end (delta: 25.8MB). Peak memory consumption was 88.2MB. Max. memory is 8.0GB. [2022-02-09 10:58:01,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 205.5MB. Free memory is still 171.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 452.30ms. Allocated memory is still 205.5MB. Free memory was 154.0MB in the beginning and 172.8MB in the end (delta: -18.8MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.29ms. Allocated memory is still 205.5MB. Free memory was 172.8MB in the beginning and 170.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.04ms. Allocated memory is still 205.5MB. Free memory was 170.7MB in the beginning and 169.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 438.54ms. Allocated memory is still 205.5MB. Free memory was 169.5MB in the beginning and 156.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2694.43ms. Allocated memory was 205.5MB in the beginning and 267.4MB in the end (delta: 61.9MB). Free memory was 156.1MB in the beginning and 130.2MB in the end (delta: 25.8MB). Peak memory consumption was 88.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5224, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 148, negative conditional: 118, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5189, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 113, negative conditional: 83, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5189, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 113, negative conditional: 83, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 3488, positive unconditional: 1588, negative: 392, negative conditional: 279, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 1125, positive unconditional: 3951, negative: 392, negative conditional: 64, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 1125, positive unconditional: 3951, negative: 392, negative conditional: 64, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1302, positive: 1260, positive conditional: 14, positive unconditional: 1246, negative: 42, negative conditional: 12, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1302, positive: 1238, positive conditional: 0, positive unconditional: 1238, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 42, negative conditional: 12, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 93, positive conditional: 49, positive unconditional: 44, negative: 76, negative conditional: 18, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5468, positive: 3816, positive conditional: 1111, positive unconditional: 2705, negative: 350, negative conditional: 52, negative unconditional: 298, unknown: 1302, unknown conditional: 26, unknown unconditional: 1276] , Statistics on independence cache: Total cache size (in pairs): 1302, Positive cache size: 1260, Positive conditional cache size: 14, Positive unconditional cache size: 1246, Negative cache size: 42, Negative conditional cache size: 12, Negative unconditional cache size: 30, Eliminated conditions: 2578, Maximal queried relation: 6, Independence queries for same thread: 35 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 455, Number of trivial persistent sets: 235, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1276, positive: 1246, positive conditional: 0, positive unconditional: 1246, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5224, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 148, negative conditional: 118, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5189, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 113, negative conditional: 83, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5189, positive: 5076, positive conditional: 3830, positive unconditional: 1246, negative: 113, negative conditional: 83, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 3488, positive unconditional: 1588, negative: 392, negative conditional: 279, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 1125, positive unconditional: 3951, negative: 392, negative conditional: 64, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5468, positive: 5076, positive conditional: 1125, positive unconditional: 3951, negative: 392, negative conditional: 64, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1302, positive: 1260, positive conditional: 14, positive unconditional: 1246, negative: 42, negative conditional: 12, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1302, positive: 1238, positive conditional: 0, positive unconditional: 1238, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 42, negative conditional: 12, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 93, positive conditional: 49, positive unconditional: 44, negative: 76, negative conditional: 18, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5468, positive: 3816, positive conditional: 1111, positive unconditional: 2705, negative: 350, negative conditional: 52, negative unconditional: 298, unknown: 1302, unknown conditional: 26, unknown unconditional: 1276] , Statistics on independence cache: Total cache size (in pairs): 1302, Positive cache size: 1260, Positive conditional cache size: 14, Positive unconditional cache size: 1246, Negative cache size: 42, Negative conditional cache size: 12, Negative unconditional cache size: 30, Eliminated conditions: 2578, Maximal queried relation: 6, Independence queries for same thread: 35 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 448 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-09 10:58:01,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 10:58:01,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...