/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 14:01:55,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 14:01:55,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 14:01:55,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 14:01:55,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 14:01:55,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 14:01:55,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 14:01:55,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 14:01:55,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 14:01:55,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 14:01:55,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 14:01:55,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 14:01:55,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 14:01:55,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 14:01:55,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 14:01:55,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 14:01:55,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 14:01:55,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 14:01:55,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 14:01:55,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 14:01:55,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 14:01:55,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 14:01:55,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 14:01:55,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 14:01:55,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 14:01:55,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 14:01:55,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 14:01:55,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 14:01:55,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 14:01:55,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 14:01:55,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 14:01:55,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 14:01:55,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 14:01:55,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 14:01:55,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 14:01:55,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 14:01:55,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 14:01:55,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 14:01:55,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 14:01:55,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 14:01:55,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 14:01:55,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 14:01:55,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 14:01:55,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 14:01:55,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 14:01:55,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 14:01:55,559 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 14:01:55,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 14:01:55,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 14:01:55,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 14:01:55,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 14:01:55,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 14:01:55,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 14:01:55,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 14:01:55,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 14:01:55,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 14:01:55,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 14:01:55,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 14:01:55,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 14:01:55,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 14:01:55,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 14:01:55,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 14:01:55,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 14:01:55,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 14:01:55,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 14:01:55,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 14:01:55,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 14:01:55,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 14:01:55,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 14:01:56,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 14:01:56,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 14:01:56,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 14:01:56,027 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 14:01:56,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-12-23 14:01:56,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a2ca6fd38/0d1943bbea6e4359bce48aa51af3ae54/FLAGf1507f929 [2020-12-23 14:01:56,871 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 14:01:56,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-12-23 14:01:56,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a2ca6fd38/0d1943bbea6e4359bce48aa51af3ae54/FLAGf1507f929 [2020-12-23 14:01:57,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a2ca6fd38/0d1943bbea6e4359bce48aa51af3ae54 [2020-12-23 14:01:57,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 14:01:57,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 14:01:57,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 14:01:57,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 14:01:57,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 14:01:57,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c5cd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57, skipping insertion in model container [2020-12-23 14:01:57,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 14:01:57,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 14:01:57,590 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i[29913,29926] [2020-12-23 14:01:57,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 14:01:57,631 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 14:01:57,678 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i[29913,29926] [2020-12-23 14:01:57,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 14:01:57,849 INFO L208 MainTranslator]: Completed translation [2020-12-23 14:01:57,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57 WrapperNode [2020-12-23 14:01:57,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 14:01:57,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 14:01:57,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 14:01:57,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 14:01:57,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 14:01:57,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 14:01:57,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 14:01:57,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 14:01:57,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:57,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:58,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:58,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... [2020-12-23 14:01:58,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 14:01:58,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 14:01:58,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 14:01:58,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 14:01:58,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 14:01:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-12-23 14:01:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 14:01:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 14:01:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 14:01:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 14:01:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-23 14:01:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-23 14:01:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 14:01:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 14:01:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 14:01:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 14:01:58,148 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 14:01:58,733 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 14:01:58,734 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-23 14:01:58,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:01:58 BoogieIcfgContainer [2020-12-23 14:01:58,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 14:01:58,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 14:01:58,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 14:01:58,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 14:01:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:01:57" (1/3) ... [2020-12-23 14:01:58,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518c5ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:01:58, skipping insertion in model container [2020-12-23 14:01:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:01:57" (2/3) ... [2020-12-23 14:01:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518c5ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:01:58, skipping insertion in model container [2020-12-23 14:01:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:01:58" (3/3) ... [2020-12-23 14:01:58,749 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2020-12-23 14:01:58,757 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 14:01:58,757 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 14:01:58,763 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 14:01:58,765 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 14:01:58,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,804 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,804 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,815 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,816 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,816 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,817 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,817 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:01:58,824 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-23 14:01:58,844 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 14:01:58,869 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 14:01:58,869 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 14:01:58,869 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 14:01:58,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 14:01:58,870 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 14:01:58,870 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 14:01:58,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 14:01:58,870 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 14:01:58,885 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 14:01:58,887 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 99 transitions, 206 flow [2020-12-23 14:01:58,891 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 99 transitions, 206 flow [2020-12-23 14:01:58,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 99 transitions, 206 flow [2020-12-23 14:01:58,953 INFO L129 PetriNetUnfolder]: 21/135 cut-off events. [2020-12-23 14:01:58,954 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-12-23 14:01:58,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 135 events. 21/135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 373 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 68. Up to 6 conditions per place. [2020-12-23 14:01:58,966 INFO L116 LiptonReduction]: Number of co-enabled transitions 2296 [2020-12-23 14:02:01,305 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 14:02:01,455 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 14:02:02,663 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-12-23 14:02:02,809 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 14:02:03,101 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-12-23 14:02:03,229 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 14:02:03,696 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-12-23 14:02:03,917 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:04,406 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-12-23 14:02:04,601 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:04,614 INFO L131 LiptonReduction]: Checked pairs total: 3566 [2020-12-23 14:02:04,614 INFO L133 LiptonReduction]: Total number of compositions: 83 [2020-12-23 14:02:04,621 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 35 transitions, 78 flow [2020-12-23 14:02:04,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 143 states. [2020-12-23 14:02:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-12-23 14:02:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 14:02:04,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:04,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 14:02:04,646 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:04,653 INFO L82 PathProgramCache]: Analyzing trace with hash 380397800, now seen corresponding path program 1 times [2020-12-23 14:02:04,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:04,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292534813] [2020-12-23 14:02:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:04,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292534813] [2020-12-23 14:02:04,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 14:02:04,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 14:02:04,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736442702] [2020-12-23 14:02:04,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 14:02:04,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 14:02:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 14:02:04,878 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-12-23 14:02:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:04,913 INFO L93 Difference]: Finished difference Result 137 states and 254 transitions. [2020-12-23 14:02:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 14:02:04,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 14:02:04,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:04,925 INFO L225 Difference]: With dead ends: 137 [2020-12-23 14:02:04,926 INFO L226 Difference]: Without dead ends: 83 [2020-12-23 14:02:04,927 INFO L677 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 [2020-12-23 14:02:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-23 14:02:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-23 14:02:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-23 14:02:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 155 transitions. [2020-12-23 14:02:04,969 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 155 transitions. Word has length 5 [2020-12-23 14:02:04,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:04,970 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 155 transitions. [2020-12-23 14:02:04,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 14:02:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2020-12-23 14:02:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-23 14:02:04,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:04,971 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-12-23 14:02:04,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 14:02:04,971 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:04,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1120555239, now seen corresponding path program 1 times [2020-12-23 14:02:04,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:04,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070231933] [2020-12-23 14:02:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:05,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:05,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:05,079 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 14:02:05,079 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 14:02:05,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 14:02:05,081 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 14:02:05,081 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-23 14:02:05,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,104 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,104 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,115 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,115 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,117 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,121 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,122 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,122 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,123 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,123 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,123 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,124 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,124 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,126 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,126 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,127 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,128 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:05,130 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-12-23 14:02:05,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 14:02:05,137 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 14:02:05,137 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 14:02:05,137 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 14:02:05,137 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 14:02:05,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 14:02:05,137 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 14:02:05,138 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 14:02:05,138 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 14:02:05,145 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 14:02:05,146 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 129 transitions, 276 flow [2020-12-23 14:02:05,148 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 129 transitions, 276 flow [2020-12-23 14:02:05,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 129 transitions, 276 flow [2020-12-23 14:02:05,240 INFO L129 PetriNetUnfolder]: 37/224 cut-off events. [2020-12-23 14:02:05,240 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-12-23 14:02:05,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 224 events. 37/224 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 727 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 137. Up to 9 conditions per place. [2020-12-23 14:02:05,257 INFO L116 LiptonReduction]: Number of co-enabled transitions 6776 [2020-12-23 14:02:08,074 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-23 14:02:08,290 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-23 14:02:09,518 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-23 14:02:09,724 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:10,146 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-23 14:02:10,337 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:10,388 INFO L131 LiptonReduction]: Checked pairs total: 12599 [2020-12-23 14:02:10,388 INFO L133 LiptonReduction]: Total number of compositions: 100 [2020-12-23 14:02:10,389 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 58 transitions, 134 flow [2020-12-23 14:02:10,538 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2270 states. [2020-12-23 14:02:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states. [2020-12-23 14:02:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 14:02:10,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:10,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 14:02:10,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:10,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:10,543 INFO L82 PathProgramCache]: Analyzing trace with hash 626482314, now seen corresponding path program 1 times [2020-12-23 14:02:10,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:10,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806044496] [2020-12-23 14:02:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:10,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806044496] [2020-12-23 14:02:10,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 14:02:10,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 14:02:10,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607322697] [2020-12-23 14:02:10,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 14:02:10,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:10,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 14:02:10,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 14:02:10,649 INFO L87 Difference]: Start difference. First operand 2270 states. Second operand 3 states. [2020-12-23 14:02:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:10,731 INFO L93 Difference]: Finished difference Result 2264 states and 6205 transitions. [2020-12-23 14:02:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 14:02:10,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 14:02:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:10,760 INFO L225 Difference]: With dead ends: 2264 [2020-12-23 14:02:10,760 INFO L226 Difference]: Without dead ends: 1395 [2020-12-23 14:02:10,760 INFO L677 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 [2020-12-23 14:02:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-12-23 14:02:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2020-12-23 14:02:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-12-23 14:02:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 3871 transitions. [2020-12-23 14:02:10,884 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 3871 transitions. Word has length 5 [2020-12-23 14:02:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:10,884 INFO L481 AbstractCegarLoop]: Abstraction has 1395 states and 3871 transitions. [2020-12-23 14:02:10,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 14:02:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 3871 transitions. [2020-12-23 14:02:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 14:02:10,886 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:10,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 14:02:10,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 14:02:10,887 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:10,888 INFO L82 PathProgramCache]: Analyzing trace with hash 368933967, now seen corresponding path program 1 times [2020-12-23 14:02:10,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:10,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018744121] [2020-12-23 14:02:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:10,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018744121] [2020-12-23 14:02:10,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574430041] [2020-12-23 14:02:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 14:02:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:11,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 14:02:11,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 14:02:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:11,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 14:02:11,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-23 14:02:11,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271276319] [2020-12-23 14:02:11,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 14:02:11,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:11,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 14:02:11,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 14:02:11,104 INFO L87 Difference]: Start difference. First operand 1395 states and 3871 transitions. Second operand 5 states. [2020-12-23 14:02:11,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:11,141 INFO L93 Difference]: Finished difference Result 1347 states and 3767 transitions. [2020-12-23 14:02:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 14:02:11,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 14:02:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:11,152 INFO L225 Difference]: With dead ends: 1347 [2020-12-23 14:02:11,152 INFO L226 Difference]: Without dead ends: 1347 [2020-12-23 14:02:11,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 14:02:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-12-23 14:02:11,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1347. [2020-12-23 14:02:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-12-23 14:02:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 3767 transitions. [2020-12-23 14:02:11,220 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 3767 transitions. Word has length 9 [2020-12-23 14:02:11,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:11,221 INFO L481 AbstractCegarLoop]: Abstraction has 1347 states and 3767 transitions. [2020-12-23 14:02:11,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 14:02:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 3767 transitions. [2020-12-23 14:02:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 14:02:11,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:11,226 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-12-23 14:02:11,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 14:02:11,443 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:11,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1819973431, now seen corresponding path program 1 times [2020-12-23 14:02:11,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:11,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751341349] [2020-12-23 14:02:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:11,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:11,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:11,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 14:02:11,494 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 14:02:11,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 14:02:11,495 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 14:02:11,496 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-23 14:02:11,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,515 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,515 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,515 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,521 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,522 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,528 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,531 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,534 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:11,538 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-12-23 14:02:11,538 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 14:02:11,539 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 14:02:11,539 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 14:02:11,539 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 14:02:11,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 14:02:11,540 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 14:02:11,540 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 14:02:11,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 14:02:11,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 14:02:11,542 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 14:02:11,542 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 159 transitions, 348 flow [2020-12-23 14:02:11,543 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 159 transitions, 348 flow [2020-12-23 14:02:11,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 159 transitions, 348 flow [2020-12-23 14:02:11,624 INFO L129 PetriNetUnfolder]: 58/344 cut-off events. [2020-12-23 14:02:11,624 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-12-23 14:02:11,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 344 events. 58/344 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1215 event pairs, 1 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 232. Up to 16 conditions per place. [2020-12-23 14:02:11,650 INFO L116 LiptonReduction]: Number of co-enabled transitions 12768 [2020-12-23 14:02:14,273 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 14:02:14,459 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 14:02:16,328 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-23 14:02:16,457 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 14:02:16,721 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-23 14:02:16,846 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 14:02:17,276 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-23 14:02:17,456 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 14:02:17,648 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-23 14:02:17,793 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 14:02:18,242 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-12-23 14:02:18,441 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:18,878 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-12-23 14:02:19,067 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:19,081 INFO L131 LiptonReduction]: Checked pairs total: 31496 [2020-12-23 14:02:19,082 INFO L133 LiptonReduction]: Total number of compositions: 126 [2020-12-23 14:02:19,082 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 76 transitions, 182 flow [2020-12-23 14:02:22,281 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28106 states. [2020-12-23 14:02:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 28106 states. [2020-12-23 14:02:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 14:02:22,281 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:22,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 14:02:22,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:22,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 927532362, now seen corresponding path program 1 times [2020-12-23 14:02:22,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:22,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108966231] [2020-12-23 14:02:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:22,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108966231] [2020-12-23 14:02:22,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 14:02:22,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 14:02:22,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327051378] [2020-12-23 14:02:22,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 14:02:22,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:22,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 14:02:22,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 14:02:22,310 INFO L87 Difference]: Start difference. First operand 28106 states. Second operand 3 states. [2020-12-23 14:02:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:22,794 INFO L93 Difference]: Finished difference Result 28100 states and 101853 transitions. [2020-12-23 14:02:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 14:02:22,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 14:02:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:23,314 INFO L225 Difference]: With dead ends: 28100 [2020-12-23 14:02:23,314 INFO L226 Difference]: Without dead ends: 16803 [2020-12-23 14:02:23,315 INFO L677 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 [2020-12-23 14:02:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16803 states. [2020-12-23 14:02:24,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16803 to 16803. [2020-12-23 14:02:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16803 states. [2020-12-23 14:02:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 61927 transitions. [2020-12-23 14:02:24,846 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 61927 transitions. Word has length 5 [2020-12-23 14:02:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:24,846 INFO L481 AbstractCegarLoop]: Abstraction has 16803 states and 61927 transitions. [2020-12-23 14:02:24,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 14:02:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 61927 transitions. [2020-12-23 14:02:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 14:02:24,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:24,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 14:02:24,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 14:02:24,850 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:24,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1555269701, now seen corresponding path program 1 times [2020-12-23 14:02:24,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:24,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926244093] [2020-12-23 14:02:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:24,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926244093] [2020-12-23 14:02:24,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824644172] [2020-12-23 14:02:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 14:02:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:25,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 14:02:25,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 14:02:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 14:02:25,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 14:02:25,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-12-23 14:02:25,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394245248] [2020-12-23 14:02:25,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 14:02:25,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:25,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 14:02:25,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 14:02:25,127 INFO L87 Difference]: Start difference. First operand 16803 states and 61927 transitions. Second operand 4 states. [2020-12-23 14:02:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:25,353 INFO L93 Difference]: Finished difference Result 16755 states and 61823 transitions. [2020-12-23 14:02:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 14:02:25,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-23 14:02:25,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:25,456 INFO L225 Difference]: With dead ends: 16755 [2020-12-23 14:02:25,456 INFO L226 Difference]: Without dead ends: 16755 [2020-12-23 14:02:25,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 14:02:26,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16755 states. [2020-12-23 14:02:26,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16755 to 16755. [2020-12-23 14:02:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16755 states. [2020-12-23 14:02:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16755 states to 16755 states and 61823 transitions. [2020-12-23 14:02:26,953 INFO L78 Accepts]: Start accepts. Automaton has 16755 states and 61823 transitions. Word has length 9 [2020-12-23 14:02:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:26,953 INFO L481 AbstractCegarLoop]: Abstraction has 16755 states and 61823 transitions. [2020-12-23 14:02:26,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 14:02:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 16755 states and 61823 transitions. [2020-12-23 14:02:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 14:02:26,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:26,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 14:02:27,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 14:02:27,161 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:27,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:27,163 INFO L82 PathProgramCache]: Analyzing trace with hash -681212691, now seen corresponding path program 1 times [2020-12-23 14:02:27,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:27,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957579104] [2020-12-23 14:02:27,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 14:02:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 14:02:27,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957579104] [2020-12-23 14:02:27,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 14:02:27,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 14:02:27,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38204828] [2020-12-23 14:02:27,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 14:02:27,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 14:02:27,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 14:02:27,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 14:02:27,239 INFO L87 Difference]: Start difference. First operand 16755 states and 61823 transitions. Second operand 3 states. [2020-12-23 14:02:27,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 14:02:27,524 INFO L93 Difference]: Finished difference Result 16605 states and 61248 transitions. [2020-12-23 14:02:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 14:02:27,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 14:02:27,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 14:02:27,681 INFO L225 Difference]: With dead ends: 16605 [2020-12-23 14:02:27,681 INFO L226 Difference]: Without dead ends: 16605 [2020-12-23 14:02:27,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 14:02:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16605 states. [2020-12-23 14:02:28,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16605 to 16605. [2020-12-23 14:02:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16605 states. [2020-12-23 14:02:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16605 states to 16605 states and 61248 transitions. [2020-12-23 14:02:28,767 INFO L78 Accepts]: Start accepts. Automaton has 16605 states and 61248 transitions. Word has length 13 [2020-12-23 14:02:28,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 14:02:28,773 INFO L481 AbstractCegarLoop]: Abstraction has 16605 states and 61248 transitions. [2020-12-23 14:02:28,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 14:02:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 16605 states and 61248 transitions. [2020-12-23 14:02:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 14:02:28,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 14:02:28,783 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-12-23 14:02:28,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 14:02:28,784 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 14:02:28,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 14:02:28,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1435853379, now seen corresponding path program 1 times [2020-12-23 14:02:28,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 14:02:28,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508517647] [2020-12-23 14:02:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 14:02:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:28,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 14:02:28,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 14:02:28,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 14:02:28,832 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 14:02:28,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 14:02:28,834 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 14:02:28,834 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-23 14:02:28,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,853 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 14:02:28,897 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 14:02:28,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 14:02:28,899 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 14:02:28,899 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 14:02:28,899 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 14:02:28,899 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 14:02:28,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 14:02:28,899 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 14:02:28,900 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 14:02:28,900 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 14:02:28,902 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 14:02:28,902 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 189 transitions, 422 flow [2020-12-23 14:02:28,903 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 189 transitions, 422 flow [2020-12-23 14:02:28,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 189 transitions, 422 flow [2020-12-23 14:02:28,996 INFO L129 PetriNetUnfolder]: 91/528 cut-off events. [2020-12-23 14:02:28,996 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-12-23 14:02:29,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 528 events. 91/528 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2134 event pairs, 6 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 364. Up to 32 conditions per place. [2020-12-23 14:02:29,043 INFO L116 LiptonReduction]: Number of co-enabled transitions 20496 [2020-12-23 14:02:33,501 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-23 14:02:33,656 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-23 14:02:34,019 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 14:02:34,307 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 14:02:36,068 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-23 14:02:36,275 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:36,749 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-23 14:02:36,978 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-23 14:02:37,464 INFO L131 LiptonReduction]: Checked pairs total: 51030 [2020-12-23 14:02:37,464 INFO L133 LiptonReduction]: Total number of compositions: 147 [2020-12-23 14:02:37,465 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 95 transitions, 234 flow