/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/safe031_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:56:44,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:56:44,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:56:44,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 17:56:44,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 17:56:44,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 17:56:44,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 17:56:44,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 17:56:44,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 17:56:44,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 17:56:44,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 17:56:44,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 17:56:44,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:56:44,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:56:44,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:56:44,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:56:44,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:56:44,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:56:44,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:56:44,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:56:44,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:56:44,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:56:44,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:56:44,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:56:44,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 17:56:44,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:56:44,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:56:44,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:56:44,826 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 17:56:44,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:56:44,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:56:44,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:56:44,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:56:44,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:56:44,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:56:44,856 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:56:44,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:56:44,856 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:56:44,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:56:44,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:56:44,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:56:44,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:56:44,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:56:44,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:56:44,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:56:44,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:56:44,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:56:44,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:56:45,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:56:45,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:56:45,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:56:45,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:56:45,025 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:56:45,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:56:45,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5461bc42/d32d715de412413fb96580e4b20f6ef7/FLAG6497f2dbe [2022-03-15 17:56:45,551 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:56:45,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:56:45,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5461bc42/d32d715de412413fb96580e4b20f6ef7/FLAG6497f2dbe [2022-03-15 17:56:46,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5461bc42/d32d715de412413fb96580e4b20f6ef7 [2022-03-15 17:56:46,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:56:46,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:56:46,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:56:46,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:56:46,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:56:46,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17218c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46, skipping insertion in model container [2022-03-15 17:56:46,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:56:46,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:56:46,295 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/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] [2022-03-15 17:56:46,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:56:46,462 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:56:46,472 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/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] [2022-03-15 17:56:46,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:56:46,552 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:56:46,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46 WrapperNode [2022-03-15 17:56:46,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:56:46,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:56:46,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:56:46,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:56:46,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,616 INFO L137 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175 [2022-03-15 17:56:46,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:56:46,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:56:46,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:56:46,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:56:46,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:56:46,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:56:46,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:56:46,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:56:46,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (1/1) ... [2022-03-15 17:56:46,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:56:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:56:46,692 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 17:56:46,710 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 17:56:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:56:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-15 17:56:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-15 17:56:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-15 17:56:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 17:56:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:56:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:56:46,726 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 17:56:46,831 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:56:46,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:56:47,246 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:56:47,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:56:47,448 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 17:56:47,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:56:47 BoogieIcfgContainer [2022-03-15 17:56:47,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:56:47,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:56:47,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:56:47,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:56:47,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:56:46" (1/3) ... [2022-03-15 17:56:47,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395be3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:56:47, skipping insertion in model container [2022-03-15 17:56:47,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:56:46" (2/3) ... [2022-03-15 17:56:47,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395be3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:56:47, skipping insertion in model container [2022-03-15 17:56:47,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:56:47" (3/3) ... [2022-03-15 17:56:47,456 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-03-15 17:56:47,460 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:56:47,460 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:56:47,460 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 17:56:47,461 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:56:47,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,521 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,522 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,523 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,523 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,523 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,523 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,524 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,525 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,526 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,527 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,539 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,545 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,546 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,548 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,548 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,548 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,548 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,548 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,549 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,550 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,551 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,557 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,558 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,559 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,559 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,560 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,560 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,560 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,561 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,562 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,563 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:56:47,564 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:56:47,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:56:47,612 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 17:56:47,613 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 17:56:47,625 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:56:47,631 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 113 transitions, 241 flow [2022-03-15 17:56:47,633 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 113 transitions, 241 flow [2022-03-15 17:56:47,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 241 flow [2022-03-15 17:56:47,675 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2022-03-15 17:56:47,675 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 17:56:47,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-03-15 17:56:47,680 INFO L116 LiptonReduction]: Number of co-enabled transitions 1958 [2022-03-15 17:56:51,296 INFO L131 LiptonReduction]: Checked pairs total: 4709 [2022-03-15 17:56:51,296 INFO L133 LiptonReduction]: Total number of compositions: 98 [2022-03-15 17:56:51,302 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2022-03-15 17:56:51,341 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 578 states, 575 states have (on average 3.071304347826087) internal successors, (1766), 577 states have internal predecessors, (1766), 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 17:56:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 578 states, 575 states have (on average 3.071304347826087) internal successors, (1766), 577 states have internal predecessors, (1766), 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 17:56:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 17:56:51,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:51,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 17:56:51,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:51,352 INFO L85 PathProgramCache]: Analyzing trace with hash 978983233, now seen corresponding path program 1 times [2022-03-15 17:56:51,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:51,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263256273] [2022-03-15 17:56:51,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:51,533 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 17:56:51,533 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:51,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263256273] [2022-03-15 17:56:51,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263256273] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:51,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:51,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:56:51,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [780080349] [2022-03-15 17:56:51,535 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:51,537 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:51,544 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 17:56:51,544 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:51,546 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:51,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:56:51,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:56:51,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:56:51,566 INFO L87 Difference]: Start difference. First operand has 578 states, 575 states have (on average 3.071304347826087) internal successors, (1766), 577 states have internal predecessors, (1766), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:56:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:51,630 INFO L93 Difference]: Finished difference Result 470 states and 1409 transitions. [2022-03-15 17:56:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:56:51,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-03-15 17:56:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:51,650 INFO L225 Difference]: With dead ends: 470 [2022-03-15 17:56:51,651 INFO L226 Difference]: Without dead ends: 450 [2022-03-15 17:56:51,651 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 17:56:51,653 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:51,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 4 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:56:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-03-15 17:56:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-03-15 17:56:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 3.024498886414254) internal successors, (1358), 449 states have internal predecessors, (1358), 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 17:56:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1358 transitions. [2022-03-15 17:56:51,786 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1358 transitions. Word has length 5 [2022-03-15 17:56:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:51,788 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 1358 transitions. [2022-03-15 17:56:51,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:56:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1358 transitions. [2022-03-15 17:56:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:56:51,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:51,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:51,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:56:51,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:51,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:51,790 INFO L85 PathProgramCache]: Analyzing trace with hash -447989274, now seen corresponding path program 1 times [2022-03-15 17:56:51,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:51,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286505424] [2022-03-15 17:56:51,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:51,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:51,897 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 17:56:51,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:51,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286505424] [2022-03-15 17:56:51,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286505424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:51,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:51,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:56:51,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [760724700] [2022-03-15 17:56:51,898 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:51,899 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:51,900 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:56:51,901 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:51,901 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:51,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:56:51,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:51,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:56:51,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:56:51,902 INFO L87 Difference]: Start difference. First operand 450 states and 1358 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 17:56:51,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:51,958 INFO L93 Difference]: Finished difference Result 440 states and 1320 transitions. [2022-03-15 17:56:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:56:51,958 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 17:56:51,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:51,962 INFO L225 Difference]: With dead ends: 440 [2022-03-15 17:56:51,962 INFO L226 Difference]: Without dead ends: 440 [2022-03-15 17:56:51,962 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 17:56:51,963 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:51,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 3 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:56:51,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-03-15 17:56:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-03-15 17:56:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 439 states have (on average 3.0068337129840548) internal successors, (1320), 439 states have internal predecessors, (1320), 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 17:56:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 1320 transitions. [2022-03-15 17:56:51,985 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 1320 transitions. Word has length 9 [2022-03-15 17:56:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:51,986 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 1320 transitions. [2022-03-15 17:56:51,986 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 17:56:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1320 transitions. [2022-03-15 17:56:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 17:56:51,988 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:51,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:51,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:56:51,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:51,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1002766163, now seen corresponding path program 1 times [2022-03-15 17:56:51,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:51,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740955543] [2022-03-15 17:56:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:51,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:52,069 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 17:56:52,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:52,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740955543] [2022-03-15 17:56:52,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740955543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:52,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:52,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:56:52,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1005570274] [2022-03-15 17:56:52,071 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:52,072 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:52,073 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2022-03-15 17:56:52,074 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:52,222 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:52,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:56:52,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:52,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:56:52,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:56:52,224 INFO L87 Difference]: Start difference. First operand 440 states and 1320 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:56:52,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:52,258 INFO L93 Difference]: Finished difference Result 434 states and 1298 transitions. [2022-03-15 17:56:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:56:52,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:56:52,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:52,261 INFO L225 Difference]: With dead ends: 434 [2022-03-15 17:56:52,262 INFO L226 Difference]: Without dead ends: 434 [2022-03-15 17:56:52,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 17:56:52,267 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:52,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:56:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-03-15 17:56:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2022-03-15 17:56:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 433 states have (on average 2.9976905311778292) internal successors, (1298), 433 states have internal predecessors, (1298), 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 17:56:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 1298 transitions. [2022-03-15 17:56:52,279 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 1298 transitions. Word has length 10 [2022-03-15 17:56:52,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:52,279 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 1298 transitions. [2022-03-15 17:56:52,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:56:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1298 transitions. [2022-03-15 17:56:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:56:52,284 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:52,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:52,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:56:52,284 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1020983111, now seen corresponding path program 1 times [2022-03-15 17:56:52,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:52,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580554994] [2022-03-15 17:56:52,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:52,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:52,364 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 17:56:52,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:52,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580554994] [2022-03-15 17:56:52,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580554994] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:52,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:52,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:56:52,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [100203173] [2022-03-15 17:56:52,365 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:52,366 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:52,367 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 19 transitions. [2022-03-15 17:56:52,367 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:52,421 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:52,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:56:52,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:52,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:56:52,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:56:52,422 INFO L87 Difference]: Start difference. First operand 434 states and 1298 transitions. Second operand has 3 states, 2 states have (on average 6.5) 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 17:56:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:52,466 INFO L93 Difference]: Finished difference Result 689 states and 1975 transitions. [2022-03-15 17:56:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:56:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) 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 17:56:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:52,469 INFO L225 Difference]: With dead ends: 689 [2022-03-15 17:56:52,469 INFO L226 Difference]: Without dead ends: 581 [2022-03-15 17:56:52,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 17:56:52,470 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 11 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:52,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 3 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:56:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-03-15 17:56:52,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 518. [2022-03-15 17:56:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 2.874274661508704) internal successors, (1486), 517 states have internal predecessors, (1486), 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 17:56:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 1486 transitions. [2022-03-15 17:56:52,482 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 1486 transitions. Word has length 11 [2022-03-15 17:56:52,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:52,483 INFO L470 AbstractCegarLoop]: Abstraction has 518 states and 1486 transitions. [2022-03-15 17:56:52,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) 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 17:56:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1486 transitions. [2022-03-15 17:56:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:56:52,483 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:52,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:52,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:56:52,484 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:52,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:52,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1020981499, now seen corresponding path program 1 times [2022-03-15 17:56:52,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:52,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482567631] [2022-03-15 17:56:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:52,537 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 17:56:52,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:52,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482567631] [2022-03-15 17:56:52,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482567631] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:52,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:52,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:56:52,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2059930642] [2022-03-15 17:56:52,538 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:52,539 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:52,541 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 35 transitions. [2022-03-15 17:56:52,541 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:52,775 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7013#(not (= 3 ~__unbuffered_cnt~0))] [2022-03-15 17:56:52,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:56:52,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:52,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:56:52,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:56:52,776 INFO L87 Difference]: Start difference. First operand 518 states and 1486 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:56:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:52,895 INFO L93 Difference]: Finished difference Result 361 states and 910 transitions. [2022-03-15 17:56:52,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:56:52,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:56:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:52,896 INFO L225 Difference]: With dead ends: 361 [2022-03-15 17:56:52,896 INFO L226 Difference]: Without dead ends: 230 [2022-03-15 17:56:52,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 17:56:52,897 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:52,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 12 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:56:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-03-15 17:56:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2022-03-15 17:56:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 2.161137440758294) internal successors, (456), 211 states have internal predecessors, (456), 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 17:56:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 456 transitions. [2022-03-15 17:56:52,922 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 456 transitions. Word has length 11 [2022-03-15 17:56:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:52,923 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 456 transitions. [2022-03-15 17:56:52,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:56:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 456 transitions. [2022-03-15 17:56:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 17:56:52,923 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:52,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:52,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 17:56:52,924 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:52,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash -2101488890, now seen corresponding path program 1 times [2022-03-15 17:56:52,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:52,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600887673] [2022-03-15 17:56:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:52,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:52,985 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 17:56:52,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:52,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600887673] [2022-03-15 17:56:52,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600887673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:52,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:52,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:56:52,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1272072375] [2022-03-15 17:56:52,986 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:52,988 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:52,996 INFO L252 McrAutomatonBuilder]: Finished intersection with 48 states and 88 transitions. [2022-03-15 17:56:52,996 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:54,509 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:54,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:56:54,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:56:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:56:54,510 INFO L87 Difference]: Start difference. First operand 212 states and 456 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 17:56:54,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:54,552 INFO L93 Difference]: Finished difference Result 291 states and 611 transitions. [2022-03-15 17:56:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:56:54,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 16 [2022-03-15 17:56:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:54,553 INFO L225 Difference]: With dead ends: 291 [2022-03-15 17:56:54,553 INFO L226 Difference]: Without dead ends: 214 [2022-03-15 17:56:54,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 17:56:54,554 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:54,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 4 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:56:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-03-15 17:56:54,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 191. [2022-03-15 17:56:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 2.1210526315789475) internal successors, (403), 190 states have internal predecessors, (403), 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 17:56:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 403 transitions. [2022-03-15 17:56:54,558 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 403 transitions. Word has length 16 [2022-03-15 17:56:54,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:54,558 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 403 transitions. [2022-03-15 17:56:54,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 17:56:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 403 transitions. [2022-03-15 17:56:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 17:56:54,559 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:54,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:54,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:56:54,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:54,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:54,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1842419171, now seen corresponding path program 1 times [2022-03-15 17:56:54,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:54,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139685208] [2022-03-15 17:56:54,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:54,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:54,647 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 17:56:54,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:54,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139685208] [2022-03-15 17:56:54,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139685208] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:54,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:54,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 17:56:54,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1071426297] [2022-03-15 17:56:54,647 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:54,649 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:54,653 INFO L252 McrAutomatonBuilder]: Finished intersection with 26 states and 33 transitions. [2022-03-15 17:56:54,653 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:54,864 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:56:54,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:56:54,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:56:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:56:54,865 INFO L87 Difference]: Start difference. First operand 191 states and 403 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 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 17:56:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:54,969 INFO L93 Difference]: Finished difference Result 171 states and 363 transitions. [2022-03-15 17:56:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:56:54,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 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 16 [2022-03-15 17:56:54,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:54,970 INFO L225 Difference]: With dead ends: 171 [2022-03-15 17:56:54,970 INFO L226 Difference]: Without dead ends: 90 [2022-03-15 17:56:54,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:56:54,971 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 57 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:54,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 8 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:56:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-03-15 17:56:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 81. [2022-03-15 17:56:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 2.05) internal successors, (164), 80 states have internal predecessors, (164), 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 17:56:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 164 transitions. [2022-03-15 17:56:54,973 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 164 transitions. Word has length 16 [2022-03-15 17:56:54,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:54,973 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 164 transitions. [2022-03-15 17:56:54,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 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 17:56:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 164 transitions. [2022-03-15 17:56:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 17:56:54,974 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:54,974 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] [2022-03-15 17:56:54,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:56:54,974 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:54,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash 970274852, now seen corresponding path program 1 times [2022-03-15 17:56:54,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:54,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071582394] [2022-03-15 17:56:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:56:55,143 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 17:56:55,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:56:55,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071582394] [2022-03-15 17:56:55,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071582394] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:56:55,143 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:56:55,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:56:55,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [829430264] [2022-03-15 17:56:55,144 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:56:55,146 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:56:55,165 INFO L252 McrAutomatonBuilder]: Finished intersection with 69 states and 124 transitions. [2022-03-15 17:56:55,165 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:56:57,687 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [8828#(and (or (= ~x~0 ~x$w_buff0~0) (not (= (mod ~x$w_buff0_used~0 256) 0))) (= 0 ~x$r_buff0_thd1~0) (= ~x$w_buff0~0 1) (or (= (mod ~x$r_buff1_thd3~0 256) 0) (not (= (mod ~x$r_buff0_thd3~0 256) 0))) (or (= (mod ~x$r_buff1_thd3~0 256) 0) (not (= (mod ~x$w_buff0_used~0 256) 0))) (or (= ~x~0 1) (not (= (mod ~x$r_buff0_thd3~0 256) 0))) (= ~x$r_buff1_thd1~0 0)), 8829#(and (or (= (mod ~x$r_buff0_thd2~0 256) 0) (= (mod ~x$r_buff1_thd3~0 256) 0)) (= 0 ~x$r_buff0_thd1~0) (= ~x$w_buff0~0 1) (or (not (= (mod ~x$r_buff0_thd2~0 256) 0)) (not (= (mod ~x$r_buff0_thd3~0 256) 0))) (not (= (mod ~x$w_buff0_used~0 256) 0)) (= ~x$r_buff1_thd1~0 0)), 8830#(and (not (= (mod ~x$r_buff0_thd2~0 256) 0)) (= 0 ~x$r_buff0_thd1~0) (= ~x$w_buff0~0 1) (= ~x$r_buff1_thd3~0 0) (not (= (mod ~x$w_buff0_used~0 256) 0)) (= 0 ~x$r_buff0_thd3~0) (= ~x$r_buff1_thd1~0 0))] [2022-03-15 17:56:57,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 17:56:57,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:56:57,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 17:56:57,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:56:57,689 INFO L87 Difference]: Start difference. First operand 81 states and 164 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 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 17:56:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:56:57,802 INFO L93 Difference]: Finished difference Result 113 states and 222 transitions. [2022-03-15 17:56:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:56:57,803 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 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 20 [2022-03-15 17:56:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:56:57,803 INFO L225 Difference]: With dead ends: 113 [2022-03-15 17:56:57,803 INFO L226 Difference]: Without dead ends: 59 [2022-03-15 17:56:57,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-03-15 17:56:57,804 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 78 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:56:57,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 8 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:56:57,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-03-15 17:56:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2022-03-15 17:56:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.7692307692307692) internal successors, (92), 52 states have internal predecessors, (92), 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 17:56:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 92 transitions. [2022-03-15 17:56:57,806 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 92 transitions. Word has length 20 [2022-03-15 17:56:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:56:57,806 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 92 transitions. [2022-03-15 17:56:57,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 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 17:56:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2022-03-15 17:56:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 17:56:57,806 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:56:57,806 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] [2022-03-15 17:56:57,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:56:57,807 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-15 17:56:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:56:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash 421338810, now seen corresponding path program 2 times [2022-03-15 17:56:57,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:56:57,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518787689] [2022-03-15 17:56:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:56:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:56:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:56:57,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:56:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:56:58,031 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:56:58,031 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:56:58,048 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-03-15 17:56:58,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-15 17:56:58,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-03-15 17:56:58,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-03-15 17:56:58,051 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-03-15 17:56:58,051 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-03-15 17:56:58,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:56:58,052 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:56:58,056 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 17:56:58,056 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 17:56:58,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 05:56:58 BasicIcfg [2022-03-15 17:56:58,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 17:56:58,180 INFO L158 Benchmark]: Toolchain (without parser) took 12109.46ms. Allocated memory was 178.3MB in the beginning and 381.7MB in the end (delta: 203.4MB). Free memory was 125.7MB in the beginning and 199.9MB in the end (delta: -74.1MB). Peak memory consumption was 130.0MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,180 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 17:56:58,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.40ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 176.3MB in the end (delta: -50.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.57ms. Allocated memory is still 213.9MB. Free memory was 176.3MB in the beginning and 173.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,181 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 171.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,181 INFO L158 Benchmark]: RCFGBuilder took 785.71ms. Allocated memory is still 213.9MB. Free memory was 171.0MB in the beginning and 100.8MB in the end (delta: 70.3MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,181 INFO L158 Benchmark]: TraceAbstraction took 10728.13ms. Allocated memory was 213.9MB in the beginning and 381.7MB in the end (delta: 167.8MB). Free memory was 100.2MB in the beginning and 199.9MB in the end (delta: -99.6MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2022-03-15 17:56:58,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.40ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 176.3MB in the end (delta: -50.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.57ms. Allocated memory is still 213.9MB. Free memory was 176.3MB in the beginning and 173.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 171.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 785.71ms. Allocated memory is still 213.9MB. Free memory was 171.0MB in the beginning and 100.8MB in the end (delta: 70.3MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. * TraceAbstraction took 10728.13ms. Allocated memory was 213.9MB in the beginning and 381.7MB in the end (delta: 167.8MB). Free memory was 100.2MB in the beginning and 199.9MB in the end (delta: -99.6MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 121 PlacesBefore, 35 PlacesAfterwards, 113 TransitionsBefore, 25 TransitionsAfterwards, 1958 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 98 TotalNumberOfCompositions, 4709 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2425, positive: 2263, positive conditional: 0, positive unconditional: 2263, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1107, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2425, positive: 1190, positive conditional: 0, positive unconditional: 1190, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 1107, unknown conditional: 0, unknown unconditional: 1107] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff0_thd3; [L723] 0 _Bool x$r_buff1_thd0; [L724] 0 _Bool x$r_buff1_thd1; [L725] 0 _Bool x$r_buff1_thd2; [L726] 0 _Bool x$r_buff1_thd3; [L727] 0 _Bool x$read_delayed; [L728] 0 int *x$read_delayed_var; [L729] 0 int x$w_buff0; [L730] 0 _Bool x$w_buff0_used; [L731] 0 int x$w_buff1; [L732] 0 _Bool x$w_buff1_used; [L734] 0 int y = 0; [L736] 0 int z = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L829] 0 pthread_t t2513; [L830] FCALL, FORK 0 pthread_create(&t2513, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2513, ((void *)0), P0, ((void *)0))=-2, t2513={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L831] 0 pthread_t t2514; [L832] FCALL, FORK 0 pthread_create(&t2514, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2514, ((void *)0), P1, ((void *)0))=-1, t2513={5:0}, t2514={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t2515; [L834] FCALL, FORK 0 pthread_create(&t2515, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2515, ((void *)0), P2, ((void *)0))=0, t2513={5:0}, t2514={6:0}, t2515={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L772] 2 x$w_buff1 = x$w_buff0 [L773] 2 x$w_buff0 = 1 [L774] 2 x$w_buff1_used = x$w_buff0_used [L775] 2 x$w_buff0_used = (_Bool)1 [L776] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L776] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L777] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L778] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L779] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L780] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L781] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L784] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L801] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L804] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L807] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L807] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L808] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L809] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L810] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L811] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L814] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L816] 3 return 0; [L742] 1 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=2] [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=2] [L787] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L787] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L788] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L789] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L790] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L791] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L794] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L796] 2 return 0; [L836] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L838] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L838] RET 0 assume_abort_if_not(main$tmp_guard0) [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L841] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L841] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L842] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L843] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L844] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L847] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L849] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=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=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=2] - UnprovableResult [Line: 19]: 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: 834]: 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: 832]: 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: 830]: 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, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 21 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=578occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 119 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 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 17:56:58,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...