/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:10:16,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:10:16,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:10:16,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:10:16,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:10:16,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:10:16,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:10:16,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:10:16,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:10:16,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:10:16,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:10:16,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:10:16,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:10:16,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:10:16,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:10:16,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:10:16,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:10:16,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:10:16,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:10:16,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:10:16,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:10:16,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:10:16,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:10:16,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:10:16,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 23:10:16,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:10:16,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:10:16,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:10:16,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:10:16,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:10:16,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:10:16,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:10:16,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:10:16,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:10:16,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:10:16,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:10:16,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:10:17,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:10:17,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:10:17,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:10:17,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:10:17,012 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:10:17,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:10:17,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:10:17,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:10:17,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:10:17,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:10:17,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:10:17,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:10:17,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:10:17,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:10:17,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:10:17,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:10:17,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:10:17,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:10:17,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:10:17,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:10:17,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:10:17,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:10:17,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:10:17,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:10:17,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:10:17,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:10:17,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:10:17,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:10:17,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:10:17,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:10:17,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:10:17,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:10:17,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:10:17,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:10:17,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-21 23:10:17,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4e0055f6/928d0297c25a4282852a123e77936473/FLAG737c71c4c [2020-10-21 23:10:18,055 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:10:18,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-21 23:10:18,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4e0055f6/928d0297c25a4282852a123e77936473/FLAG737c71c4c [2020-10-21 23:10:18,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4e0055f6/928d0297c25a4282852a123e77936473 [2020-10-21 23:10:18,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:10:18,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:10:18,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:10:18,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:10:18,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:10:18,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:10:18" (1/1) ... [2020-10-21 23:10:18,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fba72e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:18, skipping insertion in model container [2020-10-21 23:10:18,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:10:18" (1/1) ... [2020-10-21 23:10:18,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:10:18,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:10:18,526 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-21 23:10:19,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:10:19,229 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:10:19,246 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-21 23:10:19,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:10:19,724 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:10:19,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19 WrapperNode [2020-10-21 23:10:19,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:10:19,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:10:19,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:10:19,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:10:19,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:10:19,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:10:19,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:10:19,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:10:19,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (1/1) ... [2020-10-21 23:10:19,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:10:19,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:10:19,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:10:19,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:10:19,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (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 [2020-10-21 23:10:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:10:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:10:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:10:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 23:10:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 23:10:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-21 23:10:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:10:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:10:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-21 23:10:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-21 23:10:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:10:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:10:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:10:19,971 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:10:20,952 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:10:20,953 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-21 23:10:20,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:10:20 BoogieIcfgContainer [2020-10-21 23:10:20,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:10:20,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:10:20,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:10:20,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:10:20,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:10:18" (1/3) ... [2020-10-21 23:10:20,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3a641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:10:20, skipping insertion in model container [2020-10-21 23:10:20,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:10:19" (2/3) ... [2020-10-21 23:10:20,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3a641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:10:20, skipping insertion in model container [2020-10-21 23:10:20,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:10:20" (3/3) ... [2020-10-21 23:10:20,965 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-10-21 23:10:20,977 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:10:20,977 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:10:20,986 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-21 23:10:20,987 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:10:21,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,025 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,027 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,027 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,035 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,035 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,036 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,048 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,048 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:10:21,058 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 23:10:21,072 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-21 23:10:21,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:10:21,093 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:10:21,093 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:10:21,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:10:21,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:10:21,093 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:10:21,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:10:21,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:10:21,137 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:10:21,138 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-21 23:10:21,140 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-21 23:10:21,142 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 167 transitions, 356 flow [2020-10-21 23:10:21,223 INFO L129 PetriNetUnfolder]: 15/221 cut-off events. [2020-10-21 23:10:21,223 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 23:10:21,234 INFO L80 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 221 events. 15/221 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 500 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2020-10-21 23:10:21,248 INFO L116 LiptonReduction]: Number of co-enabled transitions 3780 [2020-10-21 23:10:22,844 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:22,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:22,884 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:22,908 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:22,910 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:22,910 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:78 [2020-10-21 23:10:23,690 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:23,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:23,715 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:23,730 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:23,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:23,732 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-21 23:10:24,262 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-21 23:10:24,646 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-21 23:10:24,666 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:24,733 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:24,740 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:24,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-21 23:10:24,810 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-21 23:10:24,811 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-21 23:10:24,915 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-21 23:10:25,489 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-21 23:10:25,614 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-21 23:10:26,270 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-21 23:10:26,927 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-21 23:10:27,304 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 23:10:27,684 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 23:10:27,906 INFO L131 LiptonReduction]: Checked pairs total: 10003 [2020-10-21 23:10:27,907 INFO L133 LiptonReduction]: Total number of compositions: 185 [2020-10-21 23:10:27,912 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-21 23:10:27,943 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 495 states. [2020-10-21 23:10:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-10-21 23:10:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-21 23:10:27,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:27,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-21 23:10:27,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:27,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:27,959 INFO L82 PathProgramCache]: Analyzing trace with hash 20825981, now seen corresponding path program 1 times [2020-10-21 23:10:27,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:27,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597004539] [2020-10-21 23:10:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:28,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597004539] [2020-10-21 23:10:28,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:28,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:10:28,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544659790] [2020-10-21 23:10:28,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:10:28,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:28,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:10:28,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:28,387 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-10-21 23:10:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:28,550 INFO L93 Difference]: Finished difference Result 650 states and 1568 transitions. [2020-10-21 23:10:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:10:28,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-21 23:10:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:28,576 INFO L225 Difference]: With dead ends: 650 [2020-10-21 23:10:28,576 INFO L226 Difference]: Without dead ends: 612 [2020-10-21 23:10:28,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:28,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-21 23:10:28,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 516. [2020-10-21 23:10:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-21 23:10:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1218 transitions. [2020-10-21 23:10:28,691 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1218 transitions. Word has length 4 [2020-10-21 23:10:28,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:28,692 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 1218 transitions. [2020-10-21 23:10:28,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:10:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1218 transitions. [2020-10-21 23:10:28,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 23:10:28,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:28,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 23:10:28,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:10:28,696 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:28,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:28,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1461059087, now seen corresponding path program 1 times [2020-10-21 23:10:28,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:28,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500907153] [2020-10-21 23:10:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:28,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500907153] [2020-10-21 23:10:28,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:28,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:10:28,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581012173] [2020-10-21 23:10:28,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:10:28,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:28,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:10:28,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:10:28,875 INFO L87 Difference]: Start difference. First operand 516 states and 1218 transitions. Second operand 4 states. [2020-10-21 23:10:29,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:29,042 INFO L93 Difference]: Finished difference Result 672 states and 1562 transitions. [2020-10-21 23:10:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:10:29,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-21 23:10:29,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:29,049 INFO L225 Difference]: With dead ends: 672 [2020-10-21 23:10:29,049 INFO L226 Difference]: Without dead ends: 586 [2020-10-21 23:10:29,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:10:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-21 23:10:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 554. [2020-10-21 23:10:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-21 23:10:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1327 transitions. [2020-10-21 23:10:29,089 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1327 transitions. Word has length 6 [2020-10-21 23:10:29,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:29,089 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 1327 transitions. [2020-10-21 23:10:29,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:10:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1327 transitions. [2020-10-21 23:10:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:10:29,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:29,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:10:29,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:10:29,092 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:29,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:29,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2136084153, now seen corresponding path program 1 times [2020-10-21 23:10:29,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:29,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428637176] [2020-10-21 23:10:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:29,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428637176] [2020-10-21 23:10:29,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:29,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:10:29,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086799003] [2020-10-21 23:10:29,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:10:29,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:29,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:10:29,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:29,223 INFO L87 Difference]: Start difference. First operand 554 states and 1327 transitions. Second operand 3 states. [2020-10-21 23:10:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:29,243 INFO L93 Difference]: Finished difference Result 234 states and 479 transitions. [2020-10-21 23:10:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:10:29,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 23:10:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:29,246 INFO L225 Difference]: With dead ends: 234 [2020-10-21 23:10:29,246 INFO L226 Difference]: Without dead ends: 234 [2020-10-21 23:10:29,246 INFO L677 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 [2020-10-21 23:10:29,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-21 23:10:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-10-21 23:10:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-21 23:10:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 479 transitions. [2020-10-21 23:10:29,256 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 479 transitions. Word has length 10 [2020-10-21 23:10:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:29,257 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 479 transitions. [2020-10-21 23:10:29,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:10:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 479 transitions. [2020-10-21 23:10:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 23:10:29,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:29,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:10:29,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:10:29,260 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:29,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2000525050, now seen corresponding path program 1 times [2020-10-21 23:10:29,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:29,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321282427] [2020-10-21 23:10:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:29,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321282427] [2020-10-21 23:10:29,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:29,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:10:29,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456774332] [2020-10-21 23:10:29,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:10:29,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:29,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:10:29,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:29,368 INFO L87 Difference]: Start difference. First operand 234 states and 479 transitions. Second operand 3 states. [2020-10-21 23:10:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:29,461 INFO L93 Difference]: Finished difference Result 279 states and 550 transitions. [2020-10-21 23:10:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:10:29,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-21 23:10:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:29,463 INFO L225 Difference]: With dead ends: 279 [2020-10-21 23:10:29,464 INFO L226 Difference]: Without dead ends: 279 [2020-10-21 23:10:29,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-21 23:10:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 246. [2020-10-21 23:10:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-21 23:10:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 499 transitions. [2020-10-21 23:10:29,472 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 499 transitions. Word has length 16 [2020-10-21 23:10:29,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:29,472 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 499 transitions. [2020-10-21 23:10:29,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:10:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 499 transitions. [2020-10-21 23:10:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:10:29,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:29,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:10:29,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:10:29,475 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:29,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:29,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1886734040, now seen corresponding path program 1 times [2020-10-21 23:10:29,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:29,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633584277] [2020-10-21 23:10:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:29,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633584277] [2020-10-21 23:10:29,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:29,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:10:29,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796552176] [2020-10-21 23:10:29,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:10:29,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:29,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:10:29,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:29,562 INFO L87 Difference]: Start difference. First operand 246 states and 499 transitions. Second operand 3 states. [2020-10-21 23:10:29,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:29,632 INFO L93 Difference]: Finished difference Result 283 states and 556 transitions. [2020-10-21 23:10:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:10:29,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-21 23:10:29,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:29,634 INFO L225 Difference]: With dead ends: 283 [2020-10-21 23:10:29,634 INFO L226 Difference]: Without dead ends: 283 [2020-10-21 23:10:29,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:10:29,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-21 23:10:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2020-10-21 23:10:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-21 23:10:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 527 transitions. [2020-10-21 23:10:29,643 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 527 transitions. Word has length 17 [2020-10-21 23:10:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:29,643 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 527 transitions. [2020-10-21 23:10:29,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:10:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2020-10-21 23:10:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:10:29,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:29,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:10:29,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:10:29,646 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:29,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1944938732, now seen corresponding path program 1 times [2020-10-21 23:10:29,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:29,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297134613] [2020-10-21 23:10:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:10:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:10:29,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297134613] [2020-10-21 23:10:29,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:10:29,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:10:29,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221617860] [2020-10-21 23:10:29,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:10:29,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:10:29,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:10:29,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:10:29,813 INFO L87 Difference]: Start difference. First operand 258 states and 527 transitions. Second operand 6 states. [2020-10-21 23:10:29,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:10:29,911 INFO L93 Difference]: Finished difference Result 328 states and 662 transitions. [2020-10-21 23:10:29,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:10:29,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-21 23:10:29,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:10:29,914 INFO L225 Difference]: With dead ends: 328 [2020-10-21 23:10:29,914 INFO L226 Difference]: Without dead ends: 328 [2020-10-21 23:10:29,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:10:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-21 23:10:29,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 270. [2020-10-21 23:10:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-21 23:10:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 547 transitions. [2020-10-21 23:10:29,924 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 547 transitions. Word has length 18 [2020-10-21 23:10:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:10:29,924 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 547 transitions. [2020-10-21 23:10:29,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:10:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 547 transitions. [2020-10-21 23:10:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:10:29,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:10:29,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:10:29,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:10:29,926 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:10:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:10:29,926 INFO L82 PathProgramCache]: Analyzing trace with hash -391262360, now seen corresponding path program 2 times [2020-10-21 23:10:29,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:10:29,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506441424] [2020-10-21 23:10:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:10:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:10:29,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:10:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:10:30,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:10:30,072 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:10:30,073 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:10:30,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:10:30,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:10:30 BasicIcfg [2020-10-21 23:10:30,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:10:30,202 INFO L168 Benchmark]: Toolchain (without parser) took 11926.82 ms. Allocated memory was 147.3 MB in the beginning and 316.7 MB in the end (delta: 169.3 MB). Free memory was 100.0 MB in the beginning and 145.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,203 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.03 ms. Allocated memory was 147.3 MB in the beginning and 238.6 MB in the end (delta: 91.2 MB). Free memory was 99.1 MB in the beginning and 175.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.20 ms. Allocated memory is still 238.6 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,208 INFO L168 Benchmark]: Boogie Preprocessor took 52.43 ms. Allocated memory is still 238.6 MB. Free memory was 170.9 MB in the beginning and 167.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,209 INFO L168 Benchmark]: RCFGBuilder took 1067.35 ms. Allocated memory is still 238.6 MB. Free memory was 167.9 MB in the beginning and 103.0 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,213 INFO L168 Benchmark]: TraceAbstraction took 9235.70 ms. Allocated memory was 238.6 MB in the beginning and 316.7 MB in the end (delta: 78.1 MB). Free memory was 103.0 MB in the beginning and 145.8 MB in the end (delta: -42.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:10:30,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1449.03 ms. Allocated memory was 147.3 MB in the beginning and 238.6 MB in the end (delta: 91.2 MB). Free memory was 99.1 MB in the beginning and 175.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 108.20 ms. Allocated memory is still 238.6 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.43 ms. Allocated memory is still 238.6 MB. Free memory was 170.9 MB in the beginning and 167.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1067.35 ms. Allocated memory is still 238.6 MB. Free memory was 167.9 MB in the beginning and 103.0 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9235.70 ms. Allocated memory was 238.6 MB in the beginning and 316.7 MB in the end (delta: 78.1 MB). Free memory was 103.0 MB in the beginning and 145.8 MB in the end (delta: -42.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1953 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.7s, 161 PlacesBefore, 45 PlacesAfterwards, 167 TransitionsBefore, 44 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 7 FixpointIterations, 76 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 24 ConcurrentYvCompositions, 7 ChoiceCompositions, 185 TotalNumberOfCompositions, 10003 MoverChecksTotal - CounterExampleResult [Line: 1671]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1732] 0 return 0; [L1738] 0 int ret = my_drv_init(); [L1739] COND TRUE 0 ret==0 [L1740] 0 int probe_ret; [L1741] 0 struct my_data data; [L1699] 0 struct device *d = &data->dev; [L1701] 0 data->shared.a = 0 [L1702] 0 data->shared.b = 0 [L1703] 0 int res = __VERIFIER_nondet_int(); [L1704] COND FALSE 0 !(\read(res)) [L1706] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={8:24}, t1={6:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1707] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1694] EXPR 1 data->shared.b VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, data->shared.b=0, dev={8:24}, t1={6:0}, t2={9:0}] [L1694] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, data->shared.b=0, dev={8:24}, t1={6:0}, t2={9:0}] [L1696] 1 return 0; [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1708] 0 return 0; [L1742] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1743] COND TRUE 0 probe_ret==0 [L1714] 0 void *status; [L1715] 0 \read(t1) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1715] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1717] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={6:0}, t2={9:0}] [L1693] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1720] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] [L1723] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_5-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={6:0}, t2={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 228 SDtfs, 174 SDslu, 154 SDs, 0 SdLazy, 199 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=554occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 2990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...