/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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 22:44:33,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 22:44:33,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 22:44:33,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 22:44:33,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 22:44:33,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 22:44:33,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 22:44:33,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 22:44:33,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 22:44:33,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 22:44:33,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 22:44:33,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 22:44:33,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 22:44:33,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 22:44:33,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 22:44:33,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 22:44:33,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 22:44:33,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 22:44:33,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 22:44:33,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 22:44:33,090 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 [2022-01-28 22:44:33,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 22:44:33,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 22:44:33,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 22:44:33,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 22:44:33,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 22:44:33,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 22:44:33,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 22:44:33,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 22:44:33,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 22:44:33,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 22:44:33,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:44:33,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 22:44:33,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 22:44:33,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 22:44:33,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 22:44:33,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 22:44:33,109 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-28 22:44:33,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-28 22:44:33,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 22:44:33,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 22:44:33,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 22:44:33,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 22:44:33,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 22:44:33,303 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 22:44:33,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-28 22:44:33,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c1353f9/4f95642a31194d9b8189818e6643b592/FLAGa029f7223 [2022-01-28 22:44:33,738 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 22:44:33,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-28 22:44:33,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c1353f9/4f95642a31194d9b8189818e6643b592/FLAGa029f7223 [2022-01-28 22:44:34,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c1353f9/4f95642a31194d9b8189818e6643b592 [2022-01-28 22:44:34,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 22:44:34,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 22:44:34,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 22:44:34,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 22:44:34,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 22:44:34,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6463f3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34, skipping insertion in model container [2022-01-28 22:44:34,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 22:44:34,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 22:44:34,300 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-01-28 22:44:34,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:44:34,410 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 22:44:34,417 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-01-28 22:44:34,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:44:34,461 INFO L208 MainTranslator]: Completed translation [2022-01-28 22:44:34,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34 WrapperNode [2022-01-28 22:44:34,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 22:44:34,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 22:44:34,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 22:44:34,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 22:44:34,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,489 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-01-28 22:44:34,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 22:44:34,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 22:44:34,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 22:44:34,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 22:44:34,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 22:44:34,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 22:44:34,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 22:44:34,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 22:44:34,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (1/1) ... [2022-01-28 22:44:34,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:44:34,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:44:34,544 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) [2022-01-28 22:44:34,547 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 [2022-01-28 22:44:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 22:44:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 22:44:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 22:44:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-01-28 22:44:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-01-28 22:44:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-01-28 22:44:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 22:44:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 22:44:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 22:44:34,570 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 22:44:34,640 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 22:44:34,652 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 22:44:34,782 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 22:44:34,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 22:44:34,787 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 22:44:34,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:34 BoogieIcfgContainer [2022-01-28 22:44:34,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 22:44:34,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 22:44:34,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 22:44:34,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 22:44:34,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:44:34" (1/3) ... [2022-01-28 22:44:34,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609005c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:34, skipping insertion in model container [2022-01-28 22:44:34,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:34" (2/3) ... [2022-01-28 22:44:34,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609005c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:34, skipping insertion in model container [2022-01-28 22:44:34,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:34" (3/3) ... [2022-01-28 22:44:34,800 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-28 22:44:34,804 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 22:44:34,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 22:44:34,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 22:44:34,805 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 22:44:34,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,837 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,841 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,841 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,844 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,844 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,845 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,845 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:44:34,846 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 22:44:34,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:44:34,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:44:34,903 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) [2022-01-28 22:44:34,926 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 [2022-01-28 22:44:34,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-28 22:44:34,956 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, 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 [2022-01-28 22:44:34,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-28 22:44:35,111 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:35,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:35,115 INFO L85 PathProgramCache]: Analyzing trace with hash 961703907, now seen corresponding path program 1 times [2022-01-28 22:44:35,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:35,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391963656] [2022-01-28 22:44:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:35,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:35,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:35,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391963656] [2022-01-28 22:44:35,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391963656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:35,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:35,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:44:35,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409312442] [2022-01-28 22:44:35,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:35,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 22:44:35,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:35,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 22:44:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 22:44:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:35,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-01-28 22:44:35,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 22:44:35,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:35,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:35,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1011825075, now seen corresponding path program 1 times [2022-01-28 22:44:35,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:35,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585629183] [2022-01-28 22:44:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:35,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:35,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:35,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585629183] [2022-01-28 22:44:35,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585629183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:35,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:35,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 22:44:35,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317881745] [2022-01-28 22:44:35,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:35,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 22:44:35,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:35,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 22:44:35,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-28 22:44:35,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,686 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:35,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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) [2022-01-28 22:44:35,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:35,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 22:44:35,845 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:35,845 INFO L85 PathProgramCache]: Analyzing trace with hash -341677210, now seen corresponding path program 1 times [2022-01-28 22:44:35,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:35,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870756055] [2022-01-28 22:44:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:35,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:35,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:35,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870756055] [2022-01-28 22:44:35,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870756055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:35,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:35,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 22:44:35,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238888856] [2022-01-28 22:44:35,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:35,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 22:44:35,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:35,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 22:44:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-28 22:44:35,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:35,931 INFO L471 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) [2022-01-28 22:44:35,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:35,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:35,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 22:44:36,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash 487220240, now seen corresponding path program 2 times [2022-01-28 22:44:36,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:36,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85527500] [2022-01-28 22:44:36,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:36,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:36,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:36,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85527500] [2022-01-28 22:44:36,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85527500] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:36,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:36,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-28 22:44:36,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121739988] [2022-01-28 22:44:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:36,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-28 22:44:36,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:36,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-28 22:44:36,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-28 22:44:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:36,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 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) [2022-01-28 22:44:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 22:44:36,317 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:36,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1435364949, now seen corresponding path program 1 times [2022-01-28 22:44:36,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:36,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216542255] [2022-01-28 22:44:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:36,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:36,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:36,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216542255] [2022-01-28 22:44:36,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216542255] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:36,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:36,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 22:44:36,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491784084] [2022-01-28 22:44:36,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:36,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 22:44:36,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:36,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 22:44:36,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-28 22:44:36,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:36,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2022-01-28 22:44:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:44:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 22:44:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:36,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 22:44:36,651 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2143790781, now seen corresponding path program 2 times [2022-01-28 22:44:36,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:36,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723127626] [2022-01-28 22:44:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:36,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:36,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:36,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723127626] [2022-01-28 22:44:36,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723127626] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:36,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:36,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-28 22:44:36,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402169236] [2022-01-28 22:44:36,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:36,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-28 22:44:36,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:36,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-28 22:44:36,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-28 22:44:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:36,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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) [2022-01-28 22:44:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-28 22:44:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:36,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 22:44:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:44:36,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 22:44:36,864 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 22:44:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:44:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1637449199, now seen corresponding path program 3 times [2022-01-28 22:44:36,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:44:36,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360716800] [2022-01-28 22:44:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:44:36,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:44:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:44:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:44:36,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:44:36,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360716800] [2022-01-28 22:44:36,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360716800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:44:36,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:44:36,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 22:44:36,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358789103] [2022-01-28 22:44:36,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:44:36,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 22:44:36,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:44:36,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 22:44:36,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-28 22:44:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:44:36,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2022-01-28 22:44:36,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:36,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-28 22:44:36,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:36,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:36,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:44:36,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:44:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-28 22:44:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:44:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:44:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 22:44:37,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-28 22:44:37,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-28 22:44:37,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-28 22:44:37,034 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-28 22:44:37,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 22:44:37,047 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-01-28 22:44:37,049 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 22:44:37,049 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 22:44:37,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:44:37 BasicIcfg [2022-01-28 22:44:37,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 22:44:37,052 INFO L158 Benchmark]: Toolchain (without parser) took 2933.60ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 149.7MB in the beginning and 109.6MB in the end (delta: 40.1MB). Peak memory consumption was 86.2MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,052 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 22:44:37,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.73ms. Allocated memory is still 201.3MB. Free memory was 149.5MB in the beginning and 168.7MB in the end (delta: -19.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.81ms. Allocated memory is still 201.3MB. Free memory was 168.7MB in the beginning and 166.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,053 INFO L158 Benchmark]: Boogie Preprocessor took 15.16ms. Allocated memory is still 201.3MB. Free memory was 166.7MB in the beginning and 165.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,053 INFO L158 Benchmark]: RCFGBuilder took 283.35ms. Allocated memory is still 201.3MB. Free memory was 165.6MB in the beginning and 152.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,053 INFO L158 Benchmark]: TraceAbstraction took 2261.19ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 152.5MB in the beginning and 109.6MB in the end (delta: 42.9MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. [2022-01-28 22:44:37,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 168.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.73ms. Allocated memory is still 201.3MB. Free memory was 149.5MB in the beginning and 168.7MB in the end (delta: -19.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.81ms. Allocated memory is still 201.3MB. Free memory was 168.7MB in the beginning and 166.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.16ms. Allocated memory is still 201.3MB. Free memory was 166.7MB in the beginning and 165.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 283.35ms. Allocated memory is still 201.3MB. Free memory was 165.6MB in the beginning and 152.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2261.19ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 152.5MB in the beginning and 109.6MB in the end (delta: 42.9MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5764, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 158, negative conditional: 130, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5720, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 114, negative conditional: 86, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5720, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 114, negative conditional: 86, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 4045, positive unconditional: 1561, negative: 554, negative conditional: 440, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 858, positive unconditional: 4748, negative: 554, negative conditional: 56, negative unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 858, positive unconditional: 4748, negative: 554, negative conditional: 56, negative unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1273, positive conditional: 10, positive unconditional: 1263, negative: 37, negative conditional: 9, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1257, positive conditional: 0, positive unconditional: 1257, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 37, negative conditional: 9, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 30, positive conditional: 20, positive unconditional: 10, negative: 93, negative conditional: 10, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6160, positive: 4333, positive conditional: 848, positive unconditional: 3485, negative: 517, negative conditional: 47, negative unconditional: 470, unknown: 1310, unknown conditional: 19, unknown unconditional: 1291] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1273, Positive conditional cache size: 10, Positive unconditional cache size: 1263, Negative cache size: 37, Negative conditional cache size: 9, Negative unconditional cache size: 28, Eliminated conditions: 3571, Maximal queried relation: 5, Independence queries for same thread: 44 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 450, Number of trivial persistent sets: 236, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1291, positive: 1263, positive conditional: 0, positive unconditional: 1263, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5764, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 158, negative conditional: 130, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5720, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 114, negative conditional: 86, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5720, positive: 5606, positive conditional: 4343, positive unconditional: 1263, negative: 114, negative conditional: 86, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 4045, positive unconditional: 1561, negative: 554, negative conditional: 440, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 858, positive unconditional: 4748, negative: 554, negative conditional: 56, negative unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6160, positive: 5606, positive conditional: 858, positive unconditional: 4748, negative: 554, negative conditional: 56, negative unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1273, positive conditional: 10, positive unconditional: 1263, negative: 37, negative conditional: 9, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1257, positive conditional: 0, positive unconditional: 1257, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 37, negative conditional: 9, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 30, positive conditional: 20, positive unconditional: 10, negative: 93, negative conditional: 10, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6160, positive: 4333, positive conditional: 848, positive unconditional: 3485, negative: 517, negative conditional: 47, negative unconditional: 470, unknown: 1310, unknown conditional: 19, unknown unconditional: 1291] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1273, Positive conditional cache size: 10, Positive unconditional cache size: 1263, Negative cache size: 37, Negative conditional cache size: 9, Negative unconditional cache size: 28, Eliminated conditions: 3571, Maximal queried relation: 5, Independence queries for same thread: 44 - 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, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 0.8s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 1739 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! [2022-01-28 22:44:37,091 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 [2022-01-28 22:44:37,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...