/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/goblint-regression/28-race_reach_21-deref_read_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 18:14:56,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:14:56,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:14:56,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:14:56,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:14:56,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:14:56,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:14:56,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:14:56,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:14:56,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:14:56,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:14:56,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:14:56,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:14:56,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:14:56,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:14:56,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:14:56,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:14:56,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:14:56,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:14:56,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:14:56,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:14:56,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:14:56,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:14:56,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:14:56,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 18:14:56,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:14:56,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:14:56,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:14:56,388 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 18:14:56,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:14:56,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:14:56,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:14:56,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:14:56,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:14:56,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:14:56,422 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:14:56,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:14:56,422 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:14:56,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:14:56,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:14:56,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:14:56,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:14:56,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:14:56,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:14:56,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:14:56,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:14:56,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:14:56,426 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:14:56,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:14:56,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:14:56,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:14:56,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:14:56,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:14:56,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:14:56,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:14:56,653 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:14:56,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2022-03-15 18:14:56,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16de7d5e9/0ee5725cbd5444cf95359c36dbb861a9/FLAG1455bb114 [2022-03-15 18:14:57,216 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:14:57,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2022-03-15 18:14:57,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16de7d5e9/0ee5725cbd5444cf95359c36dbb861a9/FLAG1455bb114 [2022-03-15 18:14:57,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16de7d5e9/0ee5725cbd5444cf95359c36dbb861a9 [2022-03-15 18:14:57,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:14:57,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:14:57,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:14:57,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:14:57,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:14:57,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:14:57" (1/1) ... [2022-03-15 18:14:57,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5604b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:57, skipping insertion in model container [2022-03-15 18:14:57,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:14:57" (1/1) ... [2022-03-15 18:14:57,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:14:57,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:14:58,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2022-03-15 18:14:58,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:14:58,121 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:14:58,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2022-03-15 18:14:58,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:14:58,203 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:14:58,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58 WrapperNode [2022-03-15 18:14:58,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:14:58,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:14:58,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:14:58,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:14:58,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,268 INFO L137 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-03-15 18:14:58,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:14:58,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:14:58,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:14:58,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:14:58,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:14:58,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:14:58,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:14:58,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:14:58,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (1/1) ... [2022-03-15 18:14:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:14:58,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:14:58,330 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 18:14:58,346 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 18:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 18:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 18:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:14:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:14:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 18:14:58,373 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 18:14:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:14:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:14:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:14:58,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:14:58,379 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 18:14:58,531 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:14:58,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:14:58,723 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:14:58,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:14:58,729 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-03-15 18:14:58,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:14:58 BoogieIcfgContainer [2022-03-15 18:14:58,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:14:58,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:14:58,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:14:58,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:14:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:14:57" (1/3) ... [2022-03-15 18:14:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32edccdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:14:58, skipping insertion in model container [2022-03-15 18:14:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:14:58" (2/3) ... [2022-03-15 18:14:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32edccdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:14:58, skipping insertion in model container [2022-03-15 18:14:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:14:58" (3/3) ... [2022-03-15 18:14:58,746 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2022-03-15 18:14:58,750 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:14:58,750 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:14:58,750 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 18:14:58,750 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:14:58,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,786 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,786 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,798 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:14:58,802 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:14:58,850 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:14:58,858 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 18:14:58,858 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:14:58,872 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:14:58,883 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 103 transitions, 211 flow [2022-03-15 18:14:58,886 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 103 transitions, 211 flow [2022-03-15 18:14:58,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 103 transitions, 211 flow [2022-03-15 18:14:58,938 INFO L129 PetriNetUnfolder]: 14/134 cut-off events. [2022-03-15 18:14:58,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 18:14:58,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 134 events. 14/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 288 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2022-03-15 18:14:58,952 INFO L116 LiptonReduction]: Number of co-enabled transitions 2368 [2022-03-15 18:15:01,410 INFO L131 LiptonReduction]: Checked pairs total: 4265 [2022-03-15 18:15:01,410 INFO L133 LiptonReduction]: Total number of compositions: 92 [2022-03-15 18:15:01,417 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 29 transitions, 63 flow [2022-03-15 18:15:01,435 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 103 states, 100 states have (on average 2.4) internal successors, (240), 102 states have internal predecessors, (240), 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 18:15:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 100 states have (on average 2.4) internal successors, (240), 102 states have internal predecessors, (240), 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 18:15:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-03-15 18:15:01,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:01,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-03-15 18:15:01,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:01,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:01,446 INFO L85 PathProgramCache]: Analyzing trace with hash 12391865, now seen corresponding path program 1 times [2022-03-15 18:15:01,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:01,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893605975] [2022-03-15 18:15:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:01,635 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 18:15:01,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:01,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893605975] [2022-03-15 18:15:01,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893605975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:15:01,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:15:01,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:15:01,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [39611793] [2022-03-15 18:15:01,638 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:01,640 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:01,648 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2022-03-15 18:15:01,648 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:01,650 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:01,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:15:01,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:01,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:15:01,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:15:01,695 INFO L87 Difference]: Start difference. First operand has 103 states, 100 states have (on average 2.4) internal successors, (240), 102 states have internal predecessors, (240), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:01,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:01,736 INFO L93 Difference]: Finished difference Result 99 states and 175 transitions. [2022-03-15 18:15:01,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:15:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-03-15 18:15:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:01,745 INFO L225 Difference]: With dead ends: 99 [2022-03-15 18:15:01,745 INFO L226 Difference]: Without dead ends: 87 [2022-03-15 18:15:01,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:15:01,750 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:01,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 8 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:15:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-03-15 18:15:01,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-03-15 18:15:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 85 states have (on average 1.7882352941176471) internal successors, (152), 86 states have internal predecessors, (152), 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 18:15:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 152 transitions. [2022-03-15 18:15:01,788 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 152 transitions. Word has length 4 [2022-03-15 18:15:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:01,788 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 152 transitions. [2022-03-15 18:15:01,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2022-03-15 18:15:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 18:15:01,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:01,790 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-03-15 18:15:01,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:15:01,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:01,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:01,792 INFO L85 PathProgramCache]: Analyzing trace with hash -959948490, now seen corresponding path program 1 times [2022-03-15 18:15:01,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:01,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049573857] [2022-03-15 18:15:01,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:01,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:01,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 18:15:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:01,909 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 18:15:01,909 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 18:15:01,910 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-15 18:15:01,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-15 18:15:01,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 18:15:01,928 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-15 18:15:01,929 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 18:15:01,930 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:01,971 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:15:01,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:15:01,973 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 18:15:01,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:15:01,975 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:15:01,975 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 136 transitions, 284 flow [2022-03-15 18:15:01,975 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 136 transitions, 284 flow [2022-03-15 18:15:01,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 136 transitions, 284 flow [2022-03-15 18:15:02,039 INFO L129 PetriNetUnfolder]: 24/203 cut-off events. [2022-03-15 18:15:02,039 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 18:15:02,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 203 events. 24/203 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 547 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 135. Up to 6 conditions per place. [2022-03-15 18:15:02,046 INFO L116 LiptonReduction]: Number of co-enabled transitions 6848 [2022-03-15 18:15:04,820 INFO L131 LiptonReduction]: Checked pairs total: 14057 [2022-03-15 18:15:04,820 INFO L133 LiptonReduction]: Total number of compositions: 109 [2022-03-15 18:15:04,821 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 48 transitions, 108 flow [2022-03-15 18:15:04,931 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1399 states, 1395 states have (on average 3.7419354838709675) internal successors, (5220), 1398 states have internal predecessors, (5220), 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 18:15:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 1399 states, 1395 states have (on average 3.7419354838709675) internal successors, (5220), 1398 states have internal predecessors, (5220), 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 18:15:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-03-15 18:15:04,954 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:04,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-03-15 18:15:04,955 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash 20942505, now seen corresponding path program 1 times [2022-03-15 18:15:04,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:04,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544864143] [2022-03-15 18:15:04,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:04,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:05,008 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 18:15:05,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:05,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544864143] [2022-03-15 18:15:05,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544864143] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:15:05,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:15:05,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:15:05,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1930086857] [2022-03-15 18:15:05,009 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:05,009 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:05,010 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2022-03-15 18:15:05,010 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:05,010 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:05,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:15:05,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:05,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:15:05,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:15:05,016 INFO L87 Difference]: Start difference. First operand has 1399 states, 1395 states have (on average 3.7419354838709675) internal successors, (5220), 1398 states have internal predecessors, (5220), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:05,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:05,077 INFO L93 Difference]: Finished difference Result 1395 states and 3715 transitions. [2022-03-15 18:15:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:15:05,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-03-15 18:15:05,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:05,089 INFO L225 Difference]: With dead ends: 1395 [2022-03-15 18:15:05,089 INFO L226 Difference]: Without dead ends: 1239 [2022-03-15 18:15:05,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:15:05,091 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:05,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:15:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2022-03-15 18:15:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2022-03-15 18:15:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1236 states have (on average 2.656957928802589) internal successors, (3284), 1238 states have internal predecessors, (3284), 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 18:15:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2022-03-15 18:15:05,165 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2022-03-15 18:15:05,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:05,165 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2022-03-15 18:15:05,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2022-03-15 18:15:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 18:15:05,166 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:05,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:15:05,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 18:15:05,166 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1023221677, now seen corresponding path program 1 times [2022-03-15 18:15:05,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:05,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847108992] [2022-03-15 18:15:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:05,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:05,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847108992] [2022-03-15 18:15:05,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847108992] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:15:05,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521963353] [2022-03-15 18:15:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:05,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:15:05,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:15:05,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 18:15:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 18:15:05,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:15:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:05,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:15:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:05,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521963353] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:15:05,387 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:15:05,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 18:15:05,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [592714836] [2022-03-15 18:15:05,387 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:05,388 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:05,388 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 18:15:05,388 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:05,389 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:05,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:15:05,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:05,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:15:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:05,390 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:15:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:05,458 INFO L93 Difference]: Finished difference Result 1203 states and 3215 transitions. [2022-03-15 18:15:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:15:05,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-03-15 18:15:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:05,464 INFO L225 Difference]: With dead ends: 1203 [2022-03-15 18:15:05,464 INFO L226 Difference]: Without dead ends: 1203 [2022-03-15 18:15:05,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:05,465 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:05,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 14 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:15:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-03-15 18:15:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2022-03-15 18:15:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1201 states have (on average 2.6769358867610324) internal successors, (3215), 1202 states have internal predecessors, (3215), 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 18:15:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 3215 transitions. [2022-03-15 18:15:05,495 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 3215 transitions. Word has length 8 [2022-03-15 18:15:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:05,496 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 3215 transitions. [2022-03-15 18:15:05,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:15:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3215 transitions. [2022-03-15 18:15:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 18:15:05,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:05,497 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-03-15 18:15:05,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 18:15:05,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:05,721 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2035201814, now seen corresponding path program 1 times [2022-03-15 18:15:05,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:05,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425639003] [2022-03-15 18:15:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:05,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 18:15:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:05,758 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 18:15:05,758 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 18:15:05,758 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-15 18:15:05,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-15 18:15:05,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 18:15:05,759 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-15 18:15:05,759 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 18:15:05,759 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-15 18:15:05,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,774 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,784 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,786 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:05,788 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:15:05,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:15:05,790 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 18:15:05,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:15:05,791 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:15:05,791 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 169 transitions, 359 flow [2022-03-15 18:15:05,792 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 169 transitions, 359 flow [2022-03-15 18:15:05,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 169 transitions, 359 flow [2022-03-15 18:15:05,833 INFO L129 PetriNetUnfolder]: 34/272 cut-off events. [2022-03-15 18:15:05,833 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-03-15 18:15:05,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 272 events. 34/272 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 799 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 207. Up to 8 conditions per place. [2022-03-15 18:15:05,864 INFO L116 LiptonReduction]: Number of co-enabled transitions 13440 [2022-03-15 18:15:08,681 INFO L131 LiptonReduction]: Checked pairs total: 29500 [2022-03-15 18:15:08,682 INFO L133 LiptonReduction]: Total number of compositions: 127 [2022-03-15 18:15:08,682 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 66 transitions, 153 flow [2022-03-15 18:15:09,332 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16807 states, 16802 states have (on average 5.145815974288775) internal successors, (86460), 16806 states have internal predecessors, (86460), 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 18:15:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 16807 states, 16802 states have (on average 5.145815974288775) internal successors, (86460), 16806 states have internal predecessors, (86460), 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 18:15:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-03-15 18:15:09,381 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:09,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-03-15 18:15:09,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:09,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:09,383 INFO L85 PathProgramCache]: Analyzing trace with hash 31063029, now seen corresponding path program 1 times [2022-03-15 18:15:09,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:09,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59033387] [2022-03-15 18:15:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:09,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:09,423 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 18:15:09,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:09,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59033387] [2022-03-15 18:15:09,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59033387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:15:09,424 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:15:09,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:15:09,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [692315933] [2022-03-15 18:15:09,424 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:09,424 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:09,424 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2022-03-15 18:15:09,424 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:09,425 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:09,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:15:09,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:09,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:15:09,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:15:09,463 INFO L87 Difference]: Start difference. First operand has 16807 states, 16802 states have (on average 5.145815974288775) internal successors, (86460), 16806 states have internal predecessors, (86460), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:10,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:10,094 INFO L93 Difference]: Finished difference Result 16803 states and 60043 transitions. [2022-03-15 18:15:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:15:10,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-03-15 18:15:10,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:10,319 INFO L225 Difference]: With dead ends: 16803 [2022-03-15 18:15:10,319 INFO L226 Difference]: Without dead ends: 14919 [2022-03-15 18:15:10,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:15:10,322 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:10,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 14 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:15:10,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2022-03-15 18:15:10,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2022-03-15 18:15:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14919 states, 14915 states have (on average 3.562319812269527) internal successors, (53132), 14918 states have internal predecessors, (53132), 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 18:15:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2022-03-15 18:15:11,082 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2022-03-15 18:15:11,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:11,082 INFO L470 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2022-03-15 18:15:11,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2022-03-15 18:15:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 18:15:11,098 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:11,098 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:15:11,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 18:15:11,099 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1457496709, now seen corresponding path program 1 times [2022-03-15 18:15:11,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:11,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734780025] [2022-03-15 18:15:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:11,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:11,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:11,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734780025] [2022-03-15 18:15:11,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734780025] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:15:11,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385327252] [2022-03-15 18:15:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:15:11,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:15:11,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 18:15:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:11,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 18:15:11,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:15:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:11,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:15:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:11,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385327252] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:15:11,365 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:15:11,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 18:15:11,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [472874820] [2022-03-15 18:15:11,366 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:11,366 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:11,368 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 18:15:11,368 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:11,368 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:11,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:15:11,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:11,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:15:11,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:11,384 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:15:11,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:11,786 INFO L93 Difference]: Finished difference Result 14883 states and 53063 transitions. [2022-03-15 18:15:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:15:11,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-03-15 18:15:11,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:11,977 INFO L225 Difference]: With dead ends: 14883 [2022-03-15 18:15:11,978 INFO L226 Difference]: Without dead ends: 14883 [2022-03-15 18:15:11,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:11,980 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 39 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:11,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 21 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 18:15:12,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2022-03-15 18:15:12,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 14883. [2022-03-15 18:15:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 14880 states have (on average 3.566061827956989) internal successors, (53063), 14882 states have internal predecessors, (53063), 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 18:15:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 53063 transitions. [2022-03-15 18:15:12,946 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 53063 transitions. Word has length 8 [2022-03-15 18:15:12,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:12,947 INFO L470 AbstractCegarLoop]: Abstraction has 14883 states and 53063 transitions. [2022-03-15 18:15:12,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:15:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 53063 transitions. [2022-03-15 18:15:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 18:15:12,948 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:12,949 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-03-15 18:15:12,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 18:15:13,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-15 18:15:13,161 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:13,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:13,163 INFO L85 PathProgramCache]: Analyzing trace with hash -834381388, now seen corresponding path program 1 times [2022-03-15 18:15:13,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:13,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950466515] [2022-03-15 18:15:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:13,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:13,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950466515] [2022-03-15 18:15:13,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950466515] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:15:13,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833875241] [2022-03-15 18:15:13,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:15:13,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:15:13,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 18:15:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:13,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 18:15:13,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:15:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:13,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:15:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:13,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833875241] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:15:13,461 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:15:13,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 18:15:13,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [80572028] [2022-03-15 18:15:13,461 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:13,462 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:13,463 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 18:15:13,463 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:13,463 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:13,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:15:13,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:13,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:15:13,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 18:15:13,465 INFO L87 Difference]: Start difference. First operand 14883 states and 53063 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:15:13,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:13,755 INFO L93 Difference]: Finished difference Result 14451 states and 51839 transitions. [2022-03-15 18:15:13,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:15:13,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 18:15:13,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:13,838 INFO L225 Difference]: With dead ends: 14451 [2022-03-15 18:15:13,838 INFO L226 Difference]: Without dead ends: 14451 [2022-03-15 18:15:13,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 18:15:13,840 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 86 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:13,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 24 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:15:13,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14451 states. [2022-03-15 18:15:14,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14451 to 14451. [2022-03-15 18:15:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14451 states, 14449 states have (on average 3.5877223337255173) internal successors, (51839), 14450 states have internal predecessors, (51839), 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 18:15:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14451 states to 14451 states and 51839 transitions. [2022-03-15 18:15:14,576 INFO L78 Accepts]: Start accepts. Automaton has 14451 states and 51839 transitions. Word has length 12 [2022-03-15 18:15:14,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:14,576 INFO L470 AbstractCegarLoop]: Abstraction has 14451 states and 51839 transitions. [2022-03-15 18:15:14,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:15:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 14451 states and 51839 transitions. [2022-03-15 18:15:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 18:15:14,578 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:14,578 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-03-15 18:15:14,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-15 18:15:14,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:14,792 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1518200629, now seen corresponding path program 1 times [2022-03-15 18:15:14,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:14,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996286625] [2022-03-15 18:15:14,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:14,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:14,806 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 18:15:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:15:14,818 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 18:15:14,818 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 18:15:14,818 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-15 18:15:14,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-15 18:15:14,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 18:15:14,819 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-15 18:15:14,819 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 18:15:14,819 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-03-15 18:15:14,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,829 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,829 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:15:14,848 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:15:14,849 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:15:14,850 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 18:15:14,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:15:14,851 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:15:14,851 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 202 transitions, 436 flow [2022-03-15 18:15:14,851 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 202 transitions, 436 flow [2022-03-15 18:15:14,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 202 transitions, 436 flow [2022-03-15 18:15:14,883 INFO L129 PetriNetUnfolder]: 44/341 cut-off events. [2022-03-15 18:15:14,883 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-03-15 18:15:14,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 44/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1088 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 280. Up to 10 conditions per place. [2022-03-15 18:15:14,904 INFO L116 LiptonReduction]: Number of co-enabled transitions 22144 [2022-03-15 18:15:17,682 INFO L131 LiptonReduction]: Checked pairs total: 48579 [2022-03-15 18:15:17,682 INFO L133 LiptonReduction]: Total number of compositions: 149 [2022-03-15 18:15:17,683 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 85 transitions, 202 flow [2022-03-15 18:15:28,839 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 201703 states, 201697 states have (on average 6.672865734244931) internal successors, (1345897), 201702 states have internal predecessors, (1345897), 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 18:15:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 201703 states, 201697 states have (on average 6.672865734244931) internal successors, (1345897), 201702 states have internal predecessors, (1345897), 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 18:15:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-03-15 18:15:29,322 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:29,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-03-15 18:15:29,322 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:29,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash 42847667, now seen corresponding path program 1 times [2022-03-15 18:15:29,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:29,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226312569] [2022-03-15 18:15:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:29,344 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 18:15:29,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:29,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226312569] [2022-03-15 18:15:29,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226312569] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:15:29,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:15:29,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 18:15:29,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [452952549] [2022-03-15 18:15:29,344 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:29,345 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:29,345 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2022-03-15 18:15:29,345 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:29,345 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:29,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 18:15:29,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:29,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 18:15:29,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 18:15:29,827 INFO L87 Difference]: Start difference. First operand has 201703 states, 201697 states have (on average 6.672865734244931) internal successors, (1345897), 201702 states have internal predecessors, (1345897), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:34,722 INFO L93 Difference]: Finished difference Result 201699 states and 905467 transitions. [2022-03-15 18:15:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 18:15:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-03-15 18:15:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:36,784 INFO L225 Difference]: With dead ends: 201699 [2022-03-15 18:15:36,784 INFO L226 Difference]: Without dead ends: 179079 [2022-03-15 18:15:36,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:15:36,787 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:36,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 22 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:15:37,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179079 states. [2022-03-15 18:15:45,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179079 to 179079. [2022-03-15 18:15:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179079 states, 179074 states have (on average 4.4774115728693165) internal successors, (801788), 179078 states have internal predecessors, (801788), 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 18:15:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179079 states to 179079 states and 801788 transitions. [2022-03-15 18:15:47,678 INFO L78 Accepts]: Start accepts. Automaton has 179079 states and 801788 transitions. Word has length 4 [2022-03-15 18:15:47,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:15:47,678 INFO L470 AbstractCegarLoop]: Abstraction has 179079 states and 801788 transitions. [2022-03-15 18:15:47,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 18:15:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 179079 states and 801788 transitions. [2022-03-15 18:15:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 18:15:47,679 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:15:47,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:15:47,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 18:15:47,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:15:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:15:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1226354428, now seen corresponding path program 1 times [2022-03-15 18:15:47,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:15:47,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771638316] [2022-03-15 18:15:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:15:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:47,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:15:47,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771638316] [2022-03-15 18:15:47,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771638316] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:15:47,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950260873] [2022-03-15 18:15:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:15:47,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:15:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:15:47,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:15:47,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 18:15:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:15:47,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 18:15:47,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:15:47,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:47,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:15:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:15:47,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950260873] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:15:47,819 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:15:47,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 18:15:47,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1658630688] [2022-03-15 18:15:47,819 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:15:47,820 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:15:47,820 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 18:15:47,820 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:15:47,820 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:15:47,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:15:47,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:15:47,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:15:47,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:47,822 INFO L87 Difference]: Start difference. First operand 179079 states and 801788 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:15:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:15:50,886 INFO L93 Difference]: Finished difference Result 179043 states and 801719 transitions. [2022-03-15 18:15:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:15:50,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-03-15 18:15:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:15:53,193 INFO L225 Difference]: With dead ends: 179043 [2022-03-15 18:15:53,193 INFO L226 Difference]: Without dead ends: 179043 [2022-03-15 18:15:53,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:15:53,194 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 50 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:15:53,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 27 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:15:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179043 states. [2022-03-15 18:16:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179043 to 179043. [2022-03-15 18:16:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179043 states, 179039 states have (on average 4.477901462809779) internal successors, (801719), 179042 states have internal predecessors, (801719), 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 18:16:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179043 states to 179043 states and 801719 transitions. [2022-03-15 18:16:04,397 INFO L78 Accepts]: Start accepts. Automaton has 179043 states and 801719 transitions. Word has length 8 [2022-03-15 18:16:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:16:04,397 INFO L470 AbstractCegarLoop]: Abstraction has 179043 states and 801719 transitions. [2022-03-15 18:16:04,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:16:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 179043 states and 801719 transitions. [2022-03-15 18:16:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 18:16:04,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:16:04,407 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-03-15 18:16:04,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 18:16:04,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:16:04,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:16:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:16:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash -755917708, now seen corresponding path program 1 times [2022-03-15 18:16:04,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:16:04,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932972209] [2022-03-15 18:16:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:16:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:16:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:16:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:04,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:16:04,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932972209] [2022-03-15 18:16:04,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932972209] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:16:04,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178946071] [2022-03-15 18:16:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:16:04,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:16:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:16:04,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:16:04,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 18:16:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:16:04,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 18:16:04,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:16:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:04,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:16:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:04,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178946071] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:16:04,837 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:16:04,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 18:16:04,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1266079674] [2022-03-15 18:16:04,837 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:16:04,838 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:16:04,838 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 18:16:04,839 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:16:04,839 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:16:04,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:16:04,839 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:16:04,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:16:04,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 18:16:04,839 INFO L87 Difference]: Start difference. First operand 179043 states and 801719 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:16:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:16:08,747 INFO L93 Difference]: Finished difference Result 178611 states and 800495 transitions. [2022-03-15 18:16:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:16:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 18:16:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:16:11,396 INFO L225 Difference]: With dead ends: 178611 [2022-03-15 18:16:11,396 INFO L226 Difference]: Without dead ends: 178611 [2022-03-15 18:16:11,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 18:16:11,398 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 98 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:16:11,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 40 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:16:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178611 states. [2022-03-15 18:16:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178611 to 178611. [2022-03-15 18:16:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178611 states, 178608 states have (on average 4.4818541162769865) internal successors, (800495), 178610 states have internal predecessors, (800495), 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 18:16:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178611 states to 178611 states and 800495 transitions. [2022-03-15 18:16:22,590 INFO L78 Accepts]: Start accepts. Automaton has 178611 states and 800495 transitions. Word has length 12 [2022-03-15 18:16:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:16:22,591 INFO L470 AbstractCegarLoop]: Abstraction has 178611 states and 800495 transitions. [2022-03-15 18:16:22,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:16:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 178611 states and 800495 transitions. [2022-03-15 18:16:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 18:16:22,592 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:16:22,592 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:16:22,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 18:16:22,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-15 18:16:22,808 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:16:22,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:16:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash 45975683, now seen corresponding path program 1 times [2022-03-15 18:16:22,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:16:22,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455054427] [2022-03-15 18:16:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:16:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:16:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:16:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:22,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:16:22,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455054427] [2022-03-15 18:16:22,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455054427] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:16:22,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387733070] [2022-03-15 18:16:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:16:22,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:16:22,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:16:22,879 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:16:22,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 18:16:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:16:22,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-15 18:16:22,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:16:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:23,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:16:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:16:23,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387733070] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:16:23,104 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:16:23,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 18:16:23,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [627667327] [2022-03-15 18:16:23,104 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:16:23,105 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:16:23,107 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2022-03-15 18:16:23,107 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:16:23,107 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:16:23,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 18:16:23,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:16:23,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 18:16:23,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 18:16:23,108 INFO L87 Difference]: Start difference. First operand 178611 states and 800495 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 18:16:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:16:26,427 INFO L93 Difference]: Finished difference Result 173427 states and 781055 transitions. [2022-03-15 18:16:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 18:16:26,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 18:16:26,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:16:29,042 INFO L225 Difference]: With dead ends: 173427 [2022-03-15 18:16:29,042 INFO L226 Difference]: Without dead ends: 173427 [2022-03-15 18:16:29,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 18:16:29,043 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 167 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:16:29,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 44 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:16:30,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173427 states. [2022-03-15 18:16:37,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173427 to 173427. [2022-03-15 18:16:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173427 states, 173425 states have (on average 4.503704771515064) internal successors, (781055), 173426 states have internal predecessors, (781055), 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 18:16:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173427 states to 173427 states and 781055 transitions. [2022-03-15 18:16:40,309 INFO L78 Accepts]: Start accepts. Automaton has 173427 states and 781055 transitions. Word has length 16 [2022-03-15 18:16:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:16:40,312 INFO L470 AbstractCegarLoop]: Abstraction has 173427 states and 781055 transitions. [2022-03-15 18:16:40,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 18:16:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 173427 states and 781055 transitions. [2022-03-15 18:16:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 18:16:40,315 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:16:40,315 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-03-15 18:16:40,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-15 18:16:40,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:16:40,531 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:16:40,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:16:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash 877413582, now seen corresponding path program 1 times [2022-03-15 18:16:40,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:16:40,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691522300] [2022-03-15 18:16:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:16:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:16:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:16:40,554 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 18:16:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:16:40,570 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 18:16:40,570 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 18:16:40,570 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-15 18:16:40,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-15 18:16:40,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 18:16:40,571 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-15 18:16:40,571 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 18:16:40,571 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,598 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,599 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,599 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,613 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,616 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:16:40,617 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:16:40,619 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:16:40,619 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 18:16:40,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:16:40,623 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:16:40,623 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 235 transitions, 515 flow [2022-03-15 18:16:40,624 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 235 transitions, 515 flow [2022-03-15 18:16:40,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 235 transitions, 515 flow [2022-03-15 18:16:40,692 INFO L129 PetriNetUnfolder]: 54/410 cut-off events. [2022-03-15 18:16:40,693 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-03-15 18:16:40,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 410 events. 54/410 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1320 event pairs, 0 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 354. Up to 12 conditions per place. [2022-03-15 18:16:40,717 INFO L116 LiptonReduction]: Number of co-enabled transitions 32960 [2022-03-15 18:16:43,516 INFO L131 LiptonReduction]: Checked pairs total: 75291 [2022-03-15 18:16:43,516 INFO L133 LiptonReduction]: Total number of compositions: 167 [2022-03-15 18:16:43,517 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 102 transitions, 249 flow