/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 19:35:43,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 19:35:43,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 19:35:43,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 19:35:43,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 19:35:43,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 19:35:43,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 19:35:43,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 19:35:43,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 19:35:43,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 19:35:43,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 19:35:43,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 19:35:43,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 19:35:43,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 19:35:43,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 19:35:43,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 19:35:43,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 19:35:43,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 19:35:43,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 19:35:43,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 19:35:43,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 19:35:43,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 19:35:43,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 19:35:43,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 19:35:43,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-11 19:35:43,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-11 19:35:43,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-11 19:35:43,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-11 19:35:43,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-11 19:35:43,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-11 19:35:43,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 19:35:43,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 19:35:43,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 19:35:43,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 19:35:43,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 19:35:43,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 19:35:43,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 19:35:43,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 19:35:43,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 19:35:43,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 19:35:43,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 19:35:43,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2020-11-11 19:35:43,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 19:35:43,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 19:35:43,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 19:35:43,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 19:35:43,934 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 19:35:43,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 19:35:43,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 19:35:43,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 19:35:43,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 19:35:43,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 19:35:43,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 19:35:43,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 19:35:43,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 19:35:43,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 19:35:43,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 19:35:43,937 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 19:35:43,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 19:35:43,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 19:35:43,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 19:35:43,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 19:35:43,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 19:35:43,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 19:35:43,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 19:35:43,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 19:35:43,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 19:35:43,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 19:35:43,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 19:35:43,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 19:35:43,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 19:35:43,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 19:35:44,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 19:35:44,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 19:35:44,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 19:35:44,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 19:35:44,321 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 19:35:44,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-11-11 19:35:44,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03a51390/8ccbffbf310a46c1948062acec2b025a/FLAG2af82e073 [2020-11-11 19:35:45,162 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 19:35:45,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-11-11 19:35:45,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03a51390/8ccbffbf310a46c1948062acec2b025a/FLAG2af82e073 [2020-11-11 19:35:45,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03a51390/8ccbffbf310a46c1948062acec2b025a [2020-11-11 19:35:45,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 19:35:45,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 19:35:45,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 19:35:45,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 19:35:45,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 19:35:45,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:35:45" (1/1) ... [2020-11-11 19:35:45,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f421226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:45, skipping insertion in model container [2020-11-11 19:35:45,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:35:45" (1/1) ... [2020-11-11 19:35:45,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 19:35:45,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 19:35:46,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 19:35:46,055 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 19:35:46,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 19:35:46,304 INFO L208 MainTranslator]: Completed translation [2020-11-11 19:35:46,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46 WrapperNode [2020-11-11 19:35:46,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 19:35:46,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 19:35:46,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 19:35:46,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 19:35:46,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 19:35:46,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 19:35:46,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 19:35:46,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 19:35:46,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... [2020-11-11 19:35:46,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 19:35:46,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 19:35:46,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 19:35:46,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 19:35:46,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-11 19:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 19:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 19:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-11 19:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 19:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-11 19:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-11 19:35:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-11 19:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 19:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 19:35:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 19:35:46,486 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 19:35:47,163 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 19:35:47,164 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-11 19:35:47,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:35:47 BoogieIcfgContainer [2020-11-11 19:35:47,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 19:35:47,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 19:35:47,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 19:35:47,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 19:35:47,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 07:35:45" (1/3) ... [2020-11-11 19:35:47,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aab2d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:35:47, skipping insertion in model container [2020-11-11 19:35:47,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:35:46" (2/3) ... [2020-11-11 19:35:47,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aab2d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:35:47, skipping insertion in model container [2020-11-11 19:35:47,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:35:47" (3/3) ... [2020-11-11 19:35:47,178 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2020-11-11 19:35:47,194 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 19:35:47,195 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 19:35:47,200 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-11 19:35:47,201 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 19:35:47,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,244 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,244 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,247 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,247 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,247 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,248 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,248 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,248 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,249 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,251 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,251 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,263 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,272 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-11 19:35:47,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-11 19:35:47,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 19:35:47,317 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 19:35:47,317 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 19:35:47,318 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 19:35:47,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 19:35:47,318 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 19:35:47,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 19:35:47,318 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 19:35:47,336 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 122 transitions, 252 flow [2020-11-11 19:35:47,408 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1022 states, 1016 states have (on average 2.326771653543307) internal successors, (2364), 1021 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 1022 states, 1016 states have (on average 2.326771653543307) internal successors, (2364), 1021 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-11 19:35:47,424 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:35:47,425 INFO L494 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:35:47,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:35:47,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:35:47,432 INFO L82 PathProgramCache]: Analyzing trace with hash 2078529113, now seen corresponding path program 1 times [2020-11-11 19:35:47,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:35:47,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976753988] [2020-11-11 19:35:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:35:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 19:35:47,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 19:35:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 19:35:47,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 19:35:47,741 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-11 19:35:47,742 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-11 19:35:47,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 19:35:47,742 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-11 19:35:47,743 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-11 19:35:47,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,756 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,756 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,757 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,757 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,764 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,765 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,765 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,765 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,765 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,766 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,766 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,774 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,775 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,778 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:47,783 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-11 19:35:47,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-11 19:35:47,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 19:35:47,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 19:35:47,786 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 19:35:47,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 19:35:47,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 19:35:47,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 19:35:47,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 19:35:47,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 19:35:47,791 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 152 transitions, 322 flow [2020-11-11 19:35:49,600 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23079 states, 23070 states have (on average 3.5534893801473775) internal successors, (81979), 23078 states have internal predecessors, (81979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 23079 states, 23070 states have (on average 3.5534893801473775) internal successors, (81979), 23078 states have internal predecessors, (81979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 19:35:49,773 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:35:49,774 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:35:49,774 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:35:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:35:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1874201903, now seen corresponding path program 1 times [2020-11-11 19:35:49,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:35:49,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279522212] [2020-11-11 19:35:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:35:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:35:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 19:35:49,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279522212] [2020-11-11 19:35:49,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 19:35:49,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 19:35:49,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205835928] [2020-11-11 19:35:49,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-11 19:35:49,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 19:35:49,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-11 19:35:49,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 19:35:50,043 INFO L87 Difference]: Start difference. First operand has 23079 states, 23070 states have (on average 3.5534893801473775) internal successors, (81979), 23078 states have internal predecessors, (81979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 19:35:50,420 INFO L93 Difference]: Finished difference Result 21973 states and 63806 transitions. [2020-11-11 19:35:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-11 19:35:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 19:35:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 19:35:50,543 INFO L225 Difference]: With dead ends: 21973 [2020-11-11 19:35:50,543 INFO L226 Difference]: Without dead ends: 13283 [2020-11-11 19:35:50,544 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 19:35:50,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13283 states. [2020-11-11 19:35:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13283 to 13283. [2020-11-11 19:35:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13283 states, 13279 states have (on average 2.8692672641012122) internal successors, (38101), 13282 states have internal predecessors, (38101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13283 states to 13283 states and 38101 transitions. [2020-11-11 19:35:51,564 INFO L78 Accepts]: Start accepts. Automaton has 13283 states and 38101 transitions. Word has length 53 [2020-11-11 19:35:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 19:35:51,564 INFO L481 AbstractCegarLoop]: Abstraction has 13283 states and 38101 transitions. [2020-11-11 19:35:51,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 13283 states and 38101 transitions. [2020-11-11 19:35:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 19:35:51,570 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:35:51,570 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:35:51,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 19:35:51,571 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:35:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:35:51,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1368643278, now seen corresponding path program 1 times [2020-11-11 19:35:51,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:35:51,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845772046] [2020-11-11 19:35:51,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:35:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:35:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 19:35:51,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845772046] [2020-11-11 19:35:51,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 19:35:51,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 19:35:51,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306719113] [2020-11-11 19:35:51,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 19:35:51,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 19:35:51,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 19:35:51,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 19:35:51,707 INFO L87 Difference]: Start difference. First operand 13283 states and 38101 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 19:35:51,943 INFO L93 Difference]: Finished difference Result 13267 states and 38084 transitions. [2020-11-11 19:35:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 19:35:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 19:35:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 19:35:52,019 INFO L225 Difference]: With dead ends: 13267 [2020-11-11 19:35:52,019 INFO L226 Difference]: Without dead ends: 13267 [2020-11-11 19:35:52,020 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 19:35:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13267 states. [2020-11-11 19:35:52,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13267 to 13267. [2020-11-11 19:35:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13267 states, 13264 states have (on average 2.871230398069964) internal successors, (38084), 13266 states have internal predecessors, (38084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13267 states to 13267 states and 38084 transitions. [2020-11-11 19:35:52,816 INFO L78 Accepts]: Start accepts. Automaton has 13267 states and 38084 transitions. Word has length 53 [2020-11-11 19:35:52,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 19:35:52,817 INFO L481 AbstractCegarLoop]: Abstraction has 13267 states and 38084 transitions. [2020-11-11 19:35:52,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:35:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 13267 states and 38084 transitions. [2020-11-11 19:35:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-11 19:35:52,820 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:35:52,820 INFO L494 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:35:52,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 19:35:52,821 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:35:52,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:35:52,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1462519612, now seen corresponding path program 1 times [2020-11-11 19:35:52,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:35:52,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208481446] [2020-11-11 19:35:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:35:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 19:35:52,904 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 19:35:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 19:35:52,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 19:35:52,987 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-11 19:35:52,988 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-11 19:35:52,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 19:35:52,988 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-11 19:35:52,989 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-11 19:35:53,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,007 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,037 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,038 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 19:35:53,049 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-11 19:35:53,049 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-11 19:35:53,050 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 19:35:53,050 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 19:35:53,050 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 19:35:53,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 19:35:53,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 19:35:53,051 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 19:35:53,051 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 19:35:53,051 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 19:35:53,054 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 159 places, 182 transitions, 394 flow [2020-11-11 19:45:58,682 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 537566 states, 537552 states have (on average 4.754150296157395) internal successors, (2555603), 537565 states have internal predecessors, (2555603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:45:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 537566 states, 537552 states have (on average 4.754150296157395) internal successors, (2555603), 537565 states have internal predecessors, (2555603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:45:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 19:45:59,444 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:45:59,444 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:45:59,445 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:45:59,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:45:59,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1767825819, now seen corresponding path program 1 times [2020-11-11 19:45:59,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:45:59,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10640380] [2020-11-11 19:45:59,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:45:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:45:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 19:45:59,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10640380] [2020-11-11 19:45:59,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 19:45:59,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 19:45:59,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819799954] [2020-11-11 19:45:59,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-11 19:45:59,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 19:45:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-11 19:45:59,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 19:45:59,969 INFO L87 Difference]: Start difference. First operand has 537566 states, 537552 states have (on average 4.754150296157395) internal successors, (2555603), 537565 states have internal predecessors, (2555603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:46:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 19:46:08,884 INFO L93 Difference]: Finished difference Result 512126 states and 1970701 transitions. [2020-11-11 19:46:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-11 19:46:08,885 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 19:46:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 19:46:11,907 INFO L225 Difference]: With dead ends: 512126 [2020-11-11 19:46:11,907 INFO L226 Difference]: Without dead ends: 304762 [2020-11-11 19:46:11,908 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-11 19:46:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304762 states. [2020-11-11 19:46:57,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304762 to 304762. [2020-11-11 19:46:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304762 states, 304757 states have (on average 3.8293886604737546) internal successors, (1167033), 304761 states have internal predecessors, (1167033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:47:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304762 states to 304762 states and 1167033 transitions. [2020-11-11 19:47:01,605 INFO L78 Accepts]: Start accepts. Automaton has 304762 states and 1167033 transitions. Word has length 53 [2020-11-11 19:47:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 19:47:01,617 INFO L481 AbstractCegarLoop]: Abstraction has 304762 states and 1167033 transitions. [2020-11-11 19:47:01,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:47:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 304762 states and 1167033 transitions. [2020-11-11 19:47:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 19:47:01,621 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:47:01,622 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:47:01,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 19:47:01,622 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:47:01,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:47:01,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2021582852, now seen corresponding path program 1 times [2020-11-11 19:47:01,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:47:01,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714088520] [2020-11-11 19:47:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:47:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:47:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 19:47:01,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714088520] [2020-11-11 19:47:01,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 19:47:01,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 19:47:01,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610532103] [2020-11-11 19:47:01,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 19:47:01,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 19:47:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 19:47:01,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 19:47:01,717 INFO L87 Difference]: Start difference. First operand 304762 states and 1167033 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:47:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 19:47:05,395 INFO L93 Difference]: Finished difference Result 304746 states and 1167016 transitions. [2020-11-11 19:47:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 19:47:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 19:47:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 19:47:07,879 INFO L225 Difference]: With dead ends: 304746 [2020-11-11 19:47:07,882 INFO L226 Difference]: Without dead ends: 304746 [2020-11-11 19:47:07,883 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 19:47:44,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304746 states. [2020-11-11 19:47:51,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304746 to 304746. [2020-11-11 19:47:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304746 states, 304742 states have (on average 3.8295213656141915) internal successors, (1167016), 304745 states have internal predecessors, (1167016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:47:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304746 states to 304746 states and 1167016 transitions. [2020-11-11 19:47:55,507 INFO L78 Accepts]: Start accepts. Automaton has 304746 states and 1167016 transitions. Word has length 53 [2020-11-11 19:47:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 19:47:55,510 INFO L481 AbstractCegarLoop]: Abstraction has 304746 states and 1167016 transitions. [2020-11-11 19:47:55,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:47:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 304746 states and 1167016 transitions. [2020-11-11 19:47:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-11 19:47:55,513 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 19:47:55,514 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 19:47:55,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-11 19:47:55,514 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 19:47:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 19:47:55,515 INFO L82 PathProgramCache]: Analyzing trace with hash 366800726, now seen corresponding path program 1 times [2020-11-11 19:47:55,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 19:47:55,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775640555] [2020-11-11 19:47:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 19:47:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:47:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 19:47:55,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775640555] [2020-11-11 19:47:55,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108668764] [2020-11-11 19:47:55,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-11-11 19:47:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 19:47:55,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-11 19:47:55,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-11 19:47:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-11 19:47:55,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-11 19:47:55,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-11 19:47:55,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817383433] [2020-11-11 19:47:55,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 19:47:55,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 19:47:55,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 19:47:55,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-11 19:47:55,813 INFO L87 Difference]: Start difference. First operand 304746 states and 1167016 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:48:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 19:48:00,644 INFO L93 Difference]: Finished difference Result 330184 states and 1251631 transitions. [2020-11-11 19:48:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 19:48:00,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-11 19:48:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 19:48:02,677 INFO L225 Difference]: With dead ends: 330184 [2020-11-11 19:48:02,677 INFO L226 Difference]: Without dead ends: 304746 [2020-11-11 19:48:02,678 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-11 19:48:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304746 states. Received shutdown request... [2020-11-11 19:48:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304746 to 304746. [2020-11-11 19:48:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304746 states, 304742 states have (on average 3.787784420919991) internal successors, (1154297), 304745 states have internal predecessors, (1154297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 19:48:50,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-11 19:48:50,639 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-11 19:48:50,645 WARN L250 ceAbstractionStarter]: Timeout [2020-11-11 19:48:50,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 07:48:50 BasicIcfg [2020-11-11 19:48:50,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 19:48:50,648 INFO L168 Benchmark]: Toolchain (without parser) took 785268.55 ms. Allocated memory was 302.0 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 275.8 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2020-11-11 19:48:50,649 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 19:48:50,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.66 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 262.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.0 GB. [2020-11-11 19:48:50,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.56 ms. Allocated memory is still 302.0 MB. Free memory was 262.8 MB in the beginning and 260.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 19:48:50,651 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 302.0 MB. Free memory was 260.7 MB in the beginning and 259.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 19:48:50,652 INFO L168 Benchmark]: RCFGBuilder took 773.07 ms. Allocated memory is still 302.0 MB. Free memory was 258.6 MB in the beginning and 229.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-11 19:48:50,653 INFO L168 Benchmark]: TraceAbstraction took 783475.02 ms. Allocated memory was 302.0 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 229.3 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2020-11-11 19:48:50,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 918.66 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 262.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.56 ms. Allocated memory is still 302.0 MB. Free memory was 262.8 MB in the beginning and 260.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 302.0 MB. Free memory was 260.7 MB in the beginning and 259.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 773.07 ms. Allocated memory is still 302.0 MB. Free memory was 258.6 MB in the beginning and 229.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 783475.02 ms. Allocated memory was 302.0 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 229.3 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 921]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 921). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 783.2s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 607.5s, HoareTripleCheckerStatistics: 721 SDtfs, 120 SDslu, 352 SDs, 0 SdLazy, 22 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537566occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 146.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 19166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown