/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:52:42,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:52:42,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:52:43,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 17:52:43,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 17:52:43,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 17:52:43,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 17:52:43,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 17:52:43,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 17:52:43,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 17:52:43,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 17:52:43,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 17:52:43,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:52:43,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:52:43,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:52:43,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:52:43,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:52:43,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:52:43,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:52:43,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:52:43,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:52:43,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:52:43,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:52:43,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:52:43,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 17:52:43,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 17:52:43,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 17:52:43,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 17:52:43,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 17:52:43,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 17:52:43,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:52:43,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:52:43,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:52:43,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 17:52:43,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:52:43,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:52:43,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:52:43,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:52:43,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:52:43,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:52:43,103 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:52:43,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:52:43,104 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:52:43,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:52:43,105 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:52:43,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:52:43,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:52:43,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:52:43,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:52:43,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:52:43,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:52:43,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:52:43,109 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:52:43,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:52:43,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:52:43,109 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:52:43,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:52:43,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:52:43,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:52:43,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:52:43,331 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:52:43,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:52:43,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc1b4af/2e7975d45b264ad3ba62c8a3235294fa/FLAG6986f44d7 [2022-03-15 17:52:43,826 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:52:43,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:52:43,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc1b4af/2e7975d45b264ad3ba62c8a3235294fa/FLAG6986f44d7 [2022-03-15 17:52:43,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc1b4af/2e7975d45b264ad3ba62c8a3235294fa [2022-03-15 17:52:43,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:52:43,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:52:43,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:52:43,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:52:43,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:52:43,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:52:43" (1/1) ... [2022-03-15 17:52:43,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e3ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:43, skipping insertion in model container [2022-03-15 17:52:43,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:52:43" (1/1) ... [2022-03-15 17:52:43,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:52:43,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:52:44,078 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-03-15 17:52:44,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:52:44,275 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:52:44,284 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-03-15 17:52:44,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:52:44,354 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:52:44,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44 WrapperNode [2022-03-15 17:52:44,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:52:44,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:52:44,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:52:44,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:52:44,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,412 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2022-03-15 17:52:44,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:52:44,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:52:44,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:52:44,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:52:44,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:52:44,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:52:44,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:52:44,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:52:44,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (1/1) ... [2022-03-15 17:52:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:52:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:52:44,489 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) [2022-03-15 17:52:44,496 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 [2022-03-15 17:52:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:52:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-15 17:52:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-15 17:52:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-15 17:52:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-15 17:52:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-15 17:52:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:52:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 17:52:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:52:44,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:52:44,527 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 17:52:44,670 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:52:44,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:52:45,148 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:52:45,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:52:45,419 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 17:52:45,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:52:45 BoogieIcfgContainer [2022-03-15 17:52:45,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:52:45,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:52:45,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:52:45,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:52:45,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:52:43" (1/3) ... [2022-03-15 17:52:45,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522f5c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:52:45, skipping insertion in model container [2022-03-15 17:52:45,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:52:44" (2/3) ... [2022-03-15 17:52:45,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522f5c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:52:45, skipping insertion in model container [2022-03-15 17:52:45,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:52:45" (3/3) ... [2022-03-15 17:52:45,430 INFO L111 eAbstractionObserver]: Analyzing ICFG mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:52:45,435 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:52:45,435 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:52:45,435 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 17:52:45,435 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:52:45,487 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,487 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,487 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,488 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,488 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,488 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,488 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,488 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,489 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,489 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,489 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,490 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,490 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,490 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,491 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,491 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,491 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,492 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,492 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,492 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,492 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,492 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,496 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,496 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,514 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,514 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,515 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,515 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,515 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,515 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,516 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,517 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,517 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,517 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,518 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,518 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,518 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,518 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,518 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,519 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,519 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,519 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,519 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,520 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,526 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,537 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,537 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,537 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,537 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,537 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,538 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,538 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,538 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,545 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,545 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,545 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,546 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,547 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,547 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,547 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,548 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,548 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,548 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,548 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,556 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,556 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,556 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,556 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,557 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,558 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,559 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,560 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:52:45,563 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:52:45,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:52:45,626 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:52:45,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 17:52:45,640 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:52:45,647 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 118 transitions, 251 flow [2022-03-15 17:52:45,650 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 118 transitions, 251 flow [2022-03-15 17:52:45,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 118 transitions, 251 flow [2022-03-15 17:52:45,702 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2022-03-15 17:52:45,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 17:52:45,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2022-03-15 17:52:45,709 INFO L116 LiptonReduction]: Number of co-enabled transitions 2288 [2022-03-15 17:52:50,483 INFO L131 LiptonReduction]: Checked pairs total: 5908 [2022-03-15 17:52:50,483 INFO L133 LiptonReduction]: Total number of compositions: 104 [2022-03-15 17:52:50,494 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2022-03-15 17:52:50,577 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 854 states, 851 states have (on average 3.226792009400705) internal successors, (2746), 853 states have internal predecessors, (2746), 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) [2022-03-15 17:52:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 854 states, 851 states have (on average 3.226792009400705) internal successors, (2746), 853 states have internal predecessors, (2746), 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) [2022-03-15 17:52:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-03-15 17:52:50,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:50,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-03-15 17:52:50,591 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1128643, now seen corresponding path program 1 times [2022-03-15 17:52:50,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:50,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673348602] [2022-03-15 17:52:50,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:50,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:50,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673348602] [2022-03-15 17:52:50,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673348602] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:50,838 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:50,838 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:52:50,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [796462608] [2022-03-15 17:52:50,839 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:50,841 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:50,849 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2022-03-15 17:52:50,849 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:50,852 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:52:50,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:52:50,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:50,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:52:50,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:52:50,880 INFO L87 Difference]: Start difference. First operand has 854 states, 851 states have (on average 3.226792009400705) internal successors, (2746), 853 states have internal predecessors, (2746), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-03-15 17:52:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:50,987 INFO L93 Difference]: Finished difference Result 692 states and 2139 transitions. [2022-03-15 17:52:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:52:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2022-03-15 17:52:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:51,011 INFO L225 Difference]: With dead ends: 692 [2022-03-15 17:52:51,012 INFO L226 Difference]: Without dead ends: 662 [2022-03-15 17:52:51,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:52:51,016 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:51,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 4 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:51,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-03-15 17:52:51,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-03-15 17:52:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 3.1164901664145233) internal successors, (2060), 661 states have internal predecessors, (2060), 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) [2022-03-15 17:52:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2060 transitions. [2022-03-15 17:52:51,102 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2060 transitions. Word has length 3 [2022-03-15 17:52:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:51,103 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 2060 transitions. [2022-03-15 17:52:51,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-03-15 17:52:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2060 transitions. [2022-03-15 17:52:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:52:51,108 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:51,108 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:51,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:52:51,108 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:51,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1335074264, now seen corresponding path program 1 times [2022-03-15 17:52:51,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:51,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551978081] [2022-03-15 17:52:51,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:51,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:51,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:51,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551978081] [2022-03-15 17:52:51,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551978081] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:51,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:51,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:52:51,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2041095999] [2022-03-15 17:52:51,219 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:51,220 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:51,221 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:52:51,221 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:51,222 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:52:51,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:52:51,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:51,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:52:51,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:52:51,223 INFO L87 Difference]: Start difference. First operand 662 states and 2060 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-03-15 17:52:51,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:51,286 INFO L93 Difference]: Finished difference Result 652 states and 2022 transitions. [2022-03-15 17:52:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:52:51,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2022-03-15 17:52:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:51,297 INFO L225 Difference]: With dead ends: 652 [2022-03-15 17:52:51,297 INFO L226 Difference]: Without dead ends: 652 [2022-03-15 17:52:51,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:52:51,299 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:51,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 3 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-03-15 17:52:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2022-03-15 17:52:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 651 states have (on average 3.1059907834101383) internal successors, (2022), 651 states have internal predecessors, (2022), 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) [2022-03-15 17:52:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 2022 transitions. [2022-03-15 17:52:51,341 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 2022 transitions. Word has length 9 [2022-03-15 17:52:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:51,342 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 2022 transitions. [2022-03-15 17:52:51,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-03-15 17:52:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2022 transitions. [2022-03-15 17:52:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 17:52:51,345 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:51,345 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:51,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:52:51,345 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:51,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1562370044, now seen corresponding path program 1 times [2022-03-15 17:52:51,347 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:51,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54712325] [2022-03-15 17:52:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:51,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:51,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:51,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54712325] [2022-03-15 17:52:51,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54712325] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:51,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:51,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:52:51,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1354673929] [2022-03-15 17:52:51,444 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:51,445 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:51,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 14 transitions. [2022-03-15 17:52:51,468 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:51,605 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:52:51,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:52:51,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:51,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:52:51,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:51,607 INFO L87 Difference]: Start difference. First operand 652 states and 2022 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-03-15 17:52:51,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:51,709 INFO L93 Difference]: Finished difference Result 948 states and 2812 transitions. [2022-03-15 17:52:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:52:51,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 10 [2022-03-15 17:52:51,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:51,716 INFO L225 Difference]: With dead ends: 948 [2022-03-15 17:52:51,717 INFO L226 Difference]: Without dead ends: 786 [2022-03-15 17:52:51,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:51,721 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 21 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:51,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 6 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-03-15 17:52:51,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 702. [2022-03-15 17:52:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 2.9686162624821684) internal successors, (2081), 701 states have internal predecessors, (2081), 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) [2022-03-15 17:52:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2081 transitions. [2022-03-15 17:52:51,750 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 2081 transitions. Word has length 10 [2022-03-15 17:52:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:51,750 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 2081 transitions. [2022-03-15 17:52:51,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-03-15 17:52:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2081 transitions. [2022-03-15 17:52:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:52:51,753 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:51,753 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:51,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:52:51,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:51,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1188829818, now seen corresponding path program 1 times [2022-03-15 17:52:51,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:51,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957077710] [2022-03-15 17:52:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:51,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:51,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957077710] [2022-03-15 17:52:51,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957077710] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:51,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:51,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:52:51,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1054475155] [2022-03-15 17:52:51,852 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:51,853 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:51,855 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 19 transitions. [2022-03-15 17:52:51,855 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:51,980 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:52:51,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:52:51,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:51,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:52:51,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:51,983 INFO L87 Difference]: Start difference. First operand 702 states and 2081 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-03-15 17:52:52,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:52,069 INFO L93 Difference]: Finished difference Result 844 states and 2460 transitions. [2022-03-15 17:52:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:52:52,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 11 [2022-03-15 17:52:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:52,075 INFO L225 Difference]: With dead ends: 844 [2022-03-15 17:52:52,075 INFO L226 Difference]: Without dead ends: 844 [2022-03-15 17:52:52,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:52,080 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 22 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:52,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 5 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2022-03-15 17:52:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 694. [2022-03-15 17:52:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 693 states have (on average 2.95959595959596) internal successors, (2051), 693 states have internal predecessors, (2051), 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) [2022-03-15 17:52:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 2051 transitions. [2022-03-15 17:52:52,106 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 2051 transitions. Word has length 11 [2022-03-15 17:52:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:52,106 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 2051 transitions. [2022-03-15 17:52:52,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-03-15 17:52:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2051 transitions. [2022-03-15 17:52:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:52:52,110 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:52,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:52,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:52:52,110 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:52,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:52,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1397320716, now seen corresponding path program 1 times [2022-03-15 17:52:52,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:52,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849316103] [2022-03-15 17:52:52,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:52,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:52,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:52,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849316103] [2022-03-15 17:52:52,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849316103] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:52,180 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:52,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:52:52,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1224034558] [2022-03-15 17:52:52,180 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:52,181 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:52,184 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 44 transitions. [2022-03-15 17:52:52,184 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:52,454 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [10411#(not (= 3 ~__unbuffered_cnt~0))] [2022-03-15 17:52:52,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:52:52,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:52,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:52:52,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:52:52,455 INFO L87 Difference]: Start difference. First operand 694 states and 2051 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-03-15 17:52:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:52,610 INFO L93 Difference]: Finished difference Result 466 states and 1219 transitions. [2022-03-15 17:52:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:52:52,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 12 [2022-03-15 17:52:52,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:52,612 INFO L225 Difference]: With dead ends: 466 [2022-03-15 17:52:52,613 INFO L226 Difference]: Without dead ends: 280 [2022-03-15 17:52:52,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:52:52,613 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 58 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:52,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 12 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:52,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-03-15 17:52:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 268. [2022-03-15 17:52:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 2.2322097378277155) internal successors, (596), 267 states have internal predecessors, (596), 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) [2022-03-15 17:52:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 596 transitions. [2022-03-15 17:52:52,621 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 596 transitions. Word has length 12 [2022-03-15 17:52:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:52,621 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 596 transitions. [2022-03-15 17:52:52,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-03-15 17:52:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 596 transitions. [2022-03-15 17:52:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 17:52:52,622 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:52,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:52,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 17:52:52,623 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:52,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:52,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1451628888, now seen corresponding path program 1 times [2022-03-15 17:52:52,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:52,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342367402] [2022-03-15 17:52:52,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:52,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:52,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342367402] [2022-03-15 17:52:52,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342367402] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:52,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:52,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:52:52,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [402424587] [2022-03-15 17:52:52,764 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:52,768 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:52,793 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 70 transitions. [2022-03-15 17:52:52,794 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:53,489 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:52:53,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:52:53,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:52:53,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:53,490 INFO L87 Difference]: Start difference. First operand 268 states and 596 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-03-15 17:52:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:53,580 INFO L93 Difference]: Finished difference Result 425 states and 931 transitions. [2022-03-15 17:52:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:52:53,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) Word has length 18 [2022-03-15 17:52:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:53,582 INFO L225 Difference]: With dead ends: 425 [2022-03-15 17:52:53,582 INFO L226 Difference]: Without dead ends: 296 [2022-03-15 17:52:53,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:52:53,583 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:53,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 4 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-03-15 17:52:53,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 256. [2022-03-15 17:52:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 2.152941176470588) internal successors, (549), 255 states have internal predecessors, (549), 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) [2022-03-15 17:52:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 549 transitions. [2022-03-15 17:52:53,590 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 549 transitions. Word has length 18 [2022-03-15 17:52:53,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:53,590 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 549 transitions. [2022-03-15 17:52:53,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-03-15 17:52:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 549 transitions. [2022-03-15 17:52:53,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 17:52:53,592 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:53,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:53,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:52:53,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:53,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:53,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2126805709, now seen corresponding path program 1 times [2022-03-15 17:52:53,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:53,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665751823] [2022-03-15 17:52:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:53,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:53,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:53,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665751823] [2022-03-15 17:52:53,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665751823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:53,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:53,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:52:53,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1971834641] [2022-03-15 17:52:53,717 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:53,721 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:53,730 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 52 transitions. [2022-03-15 17:52:53,730 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:54,281 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [12365#(<= ~__unbuffered_cnt~0 0)] [2022-03-15 17:52:54,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:52:54,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:54,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:52:54,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:52:54,282 INFO L87 Difference]: Start difference. First operand 256 states and 549 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-03-15 17:52:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:54,416 INFO L93 Difference]: Finished difference Result 233 states and 503 transitions. [2022-03-15 17:52:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:52:54,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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) Word has length 18 [2022-03-15 17:52:54,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:54,417 INFO L225 Difference]: With dead ends: 233 [2022-03-15 17:52:54,417 INFO L226 Difference]: Without dead ends: 136 [2022-03-15 17:52:54,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:52:54,418 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 69 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:54,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 8 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-03-15 17:52:54,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 127. [2022-03-15 17:52:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.1746031746031744) internal successors, (274), 126 states have internal predecessors, (274), 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) [2022-03-15 17:52:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 274 transitions. [2022-03-15 17:52:54,422 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 274 transitions. Word has length 18 [2022-03-15 17:52:54,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:54,423 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 274 transitions. [2022-03-15 17:52:54,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-03-15 17:52:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 274 transitions. [2022-03-15 17:52:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:52:54,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:54,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:54,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:52:54,424 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:54,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:54,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1891394327, now seen corresponding path program 1 times [2022-03-15 17:52:54,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:54,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488179751] [2022-03-15 17:52:54,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:52:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:52:54,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:52:54,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488179751] [2022-03-15 17:52:54,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488179751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:52:54,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:52:54,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:52:54,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1472297479] [2022-03-15 17:52:54,602 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:52:54,608 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:52:54,652 INFO L252 McrAutomatonBuilder]: Finished intersection with 112 states and 216 transitions. [2022-03-15 17:52:54,652 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:52:59,130 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [12862#(and (or (not (= ~a~0 0)) (not (= (mod ~a$w_buff0_used~0 256) 0))) (or (< 0 (+ (div ~a$w_buff0_used~0 256) 1)) (not (= (mod ~a$w_buff0_used~0 256) 0))) (or (not (= ~a$w_buff0~0 0)) (= (mod ~a$w_buff0_used~0 256) 0)) (or (<= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (not (= (mod ~a$r_buff0_thd2~0 256) 0))) (or (= (mod ~a$r_buff1_thd2~0 256) 0) (not (= (mod ~a$w_buff0_used~0 256) 0)))), 12865#(or (= ~a$r_buff0_thd2~0 0) (not (= (mod ~a$w_buff0_used~0 256) 0))), 12863#(and (not (= ~a$w_buff0~0 0)) (or (= (mod ~a$r_buff1_thd2~0 256) 0) (= (mod ~a$r_buff0_thd1~0 256) 0)) (not (= (mod ~a$w_buff0_used~0 256) 0)) (or (not (= (mod ~a$r_buff0_thd2~0 256) 0)) (not (= (mod ~a$r_buff0_thd1~0 256) 0)))), 12864#(and (not (= ~a$w_buff0~0 0)) (= ~a$r_buff1_thd2~0 0) (not (= (mod ~a$w_buff0_used~0 256) 0)) (not (= (mod ~a$r_buff0_thd1~0 256) 0)))] [2022-03-15 17:52:59,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 17:52:59,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:52:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 17:52:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-03-15 17:52:59,131 INFO L87 Difference]: Start difference. First operand 127 states and 274 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:52:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:52:59,292 INFO L93 Difference]: Finished difference Result 147 states and 309 transitions. [2022-03-15 17:52:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:52:59,300 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:52:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:52:59,300 INFO L225 Difference]: With dead ends: 147 [2022-03-15 17:52:59,300 INFO L226 Difference]: Without dead ends: 73 [2022-03-15 17:52:59,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-03-15 17:52:59,301 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 71 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:52:59,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 12 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:52:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-03-15 17:52:59,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-03-15 17:52:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.8055555555555556) internal successors, (130), 72 states have internal predecessors, (130), 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) [2022-03-15 17:52:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 130 transitions. [2022-03-15 17:52:59,304 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 130 transitions. Word has length 22 [2022-03-15 17:52:59,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:52:59,304 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 130 transitions. [2022-03-15 17:52:59,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:52:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2022-03-15 17:52:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:52:59,305 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:52:59,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:59,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:52:59,305 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:52:59,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:52:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1720332333, now seen corresponding path program 2 times [2022-03-15 17:52:59,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:52:59,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330204546] [2022-03-15 17:52:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:52:59,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:52:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:52:59,361 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:52:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:52:59,483 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:52:59,483 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:52:59,484 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-03-15 17:52:59,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-15 17:52:59,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-03-15 17:52:59,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-03-15 17:52:59,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-03-15 17:52:59,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-03-15 17:52:59,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:52:59,488 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:52:59,493 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 17:52:59,493 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 17:52:59,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 05:52:59 BasicIcfg [2022-03-15 17:52:59,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 17:52:59,591 INFO L158 Benchmark]: Toolchain (without parser) took 15735.14ms. Allocated memory was 179.3MB in the beginning and 343.9MB in the end (delta: 164.6MB). Free memory was 126.7MB in the beginning and 203.6MB in the end (delta: -76.8MB). Peak memory consumption was 88.8MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,591 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 179.3MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 17:52:59,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.74ms. Allocated memory was 179.3MB in the beginning and 234.9MB in the end (delta: 55.6MB). Free memory was 126.5MB in the beginning and 196.9MB in the end (delta: -70.4MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.33ms. Allocated memory is still 234.9MB. Free memory was 196.9MB in the beginning and 194.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,592 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 234.9MB. Free memory was 194.4MB in the beginning and 191.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,592 INFO L158 Benchmark]: RCFGBuilder took 979.56ms. Allocated memory is still 234.9MB. Free memory was 191.8MB in the beginning and 114.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,593 INFO L158 Benchmark]: TraceAbstraction took 14167.59ms. Allocated memory was 234.9MB in the beginning and 343.9MB in the end (delta: 109.1MB). Free memory was 113.7MB in the beginning and 203.6MB in the end (delta: -89.9MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-03-15 17:52:59,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 179.3MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 497.74ms. Allocated memory was 179.3MB in the beginning and 234.9MB in the end (delta: 55.6MB). Free memory was 126.5MB in the beginning and 196.9MB in the end (delta: -70.4MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.33ms. Allocated memory is still 234.9MB. Free memory was 196.9MB in the beginning and 194.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 234.9MB. Free memory was 194.4MB in the beginning and 191.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 979.56ms. Allocated memory is still 234.9MB. Free memory was 191.8MB in the beginning and 114.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. * TraceAbstraction took 14167.59ms. Allocated memory was 234.9MB in the beginning and 343.9MB in the end (delta: 109.1MB). Free memory was 113.7MB in the beginning and 203.6MB in the end (delta: -89.9MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 126 PlacesBefore, 37 PlacesAfterwards, 118 TransitionsBefore, 28 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 5908 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2526, positive: 2331, positive conditional: 0, positive unconditional: 2331, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1290, positive: 1233, positive conditional: 0, positive unconditional: 1233, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2526, positive: 1098, positive conditional: 0, positive unconditional: 1098, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 1290, unknown conditional: 0, unknown unconditional: 1290] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L715] 0 int a = 0; [L716] 0 _Bool a$flush_delayed; [L717] 0 int a$mem_tmp; [L718] 0 _Bool a$r_buff0_thd0; [L719] 0 _Bool a$r_buff0_thd1; [L720] 0 _Bool a$r_buff0_thd2; [L721] 0 _Bool a$r_buff0_thd3; [L722] 0 _Bool a$r_buff1_thd0; [L723] 0 _Bool a$r_buff1_thd1; [L724] 0 _Bool a$r_buff1_thd2; [L725] 0 _Bool a$r_buff1_thd3; [L726] 0 _Bool a$read_delayed; [L727] 0 int *a$read_delayed_var; [L728] 0 int a$w_buff0; [L729] 0 _Bool a$w_buff0_used; [L730] 0 int a$w_buff1; [L731] 0 _Bool a$w_buff1_used; [L732] 0 _Bool main$tmp_guard0; [L733] 0 _Bool main$tmp_guard1; [L735] 0 int x = 0; [L737] 0 int y = 0; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t1193; [L842] FCALL, FORK 0 pthread_create(&t1193, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1193, ((void *)0), P0, ((void *)0))=-2, t1193={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L745] 1 a$w_buff1 = a$w_buff0 [L746] 1 a$w_buff0 = 1 [L747] 1 a$w_buff1_used = a$w_buff0_used [L748] 1 a$w_buff0_used = (_Bool)1 [L749] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L749] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L750] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L751] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L752] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L753] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L754] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L843] 0 pthread_t t1194; [L844] FCALL, FORK 0 pthread_create(&t1194, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1194, ((void *)0), P1, ((void *)0))=-1, t1193={5:0}, t1194={6:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L774] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L845] 0 pthread_t t1195; [L846] FCALL, FORK 0 pthread_create(&t1195, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1195, ((void *)0), P2, ((void *)0))=0, t1193={5:0}, t1194={6:0}, t1195={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L784] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L794] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L797] 3 z = 1 [L800] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L803] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L804] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L805] 3 a$flush_delayed = weak$$choice2 [L806] 3 a$mem_tmp = a [L807] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L807] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L808] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L808] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L808] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L808] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L809] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L809] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L809] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L810] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L810] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L810] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L810] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L811] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L811] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L812] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L812] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L812] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L812] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L813] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L813] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] 3 __unbuffered_p2_EBX = a [L815] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L815] 3 a = a$flush_delayed ? a$mem_tmp : a [L816] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L819] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L819] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L820] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L820] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L821] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L821] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L822] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L822] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L823] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L823] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L764] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L850] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L850] RET 0 assume_abort_if_not(main$tmp_guard0) [L852] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L852] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L852] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L852] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L853] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L853] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L854] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L854] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L855] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L855] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L856] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L856] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L861] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 147 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 703 IncrementalHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 21 mSDtfsCounter, 703 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=854occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 295 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 RESULT: Ultimate proved your program to be incorrect! [2022-03-15 17:52:59,622 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...