/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:46:44,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:46:44,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:46:44,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:46:44,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:46:44,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:46:44,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:46:44,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:46:44,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:46:44,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:46:44,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:46:44,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:46:44,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:46:44,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:46:44,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:46:44,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:46:44,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:46:44,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:46:44,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:46:44,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:46:44,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:46:44,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:46:44,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:46:44,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:46:44,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 00:46:44,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 00:46:44,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 00:46:44,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 00:46:44,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 00:46:44,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 00:46:44,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:46:44,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:46:44,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:46:44,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:46:44,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:46:44,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:46:44,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:46:44,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:46:44,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:46:44,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:46:44,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:46:44,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:46:44,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:46:44,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:46:44,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:46:44,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:46:44,869 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:46:44,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:46:44,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:46:44,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:46:44,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:46:44,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:46:44,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:46:44,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:46:44,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:46:44,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:46:44,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:46:44,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:46:44,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:46:44,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:46:44,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:46:44,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:46:44,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:46:44,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:46:44,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:46:44,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:46:44,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:46:44,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:46:44,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:46:44,875 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:46:44,875 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:46:44,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:46:44,875 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:46:45,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:46:45,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:46:45,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:46:45,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:46:45,187 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:46:45,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-10-22 00:46:45,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c927f323d/8aadc558e37e46ccba732ead348999e3/FLAG4edf98f42 [2020-10-22 00:46:45,923 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:46:45,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-10-22 00:46:45,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c927f323d/8aadc558e37e46ccba732ead348999e3/FLAG4edf98f42 [2020-10-22 00:46:46,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c927f323d/8aadc558e37e46ccba732ead348999e3 [2020-10-22 00:46:46,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:46:46,220 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:46:46,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:46:46,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:46:46,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:46:46,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:46:46" (1/1) ... [2020-10-22 00:46:46,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e01f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:46, skipping insertion in model container [2020-10-22 00:46:46,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:46:46" (1/1) ... [2020-10-22 00:46:46,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:46:46,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:46:46,541 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 00:46:47,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:46:47,332 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:46:47,347 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 00:46:47,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:46:47,896 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:46:47,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47 WrapperNode [2020-10-22 00:46:47,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:46:47,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:46:47,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:46:47,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:46:47,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:47,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:46:48,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:46:48,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:46:48,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:46:48,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (1/1) ... [2020-10-22 00:46:48,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:46:48,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:46:48,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:46:48,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:46:48,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (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 [2020-10-22 00:46:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:46:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:46:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:46:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 00:46:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 00:46:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 00:46:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:46:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:46:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-22 00:46:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-22 00:46:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:46:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:46:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:46:48,123 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:46:48,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:46:48,952 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-22 00:46:48,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:46:48 BoogieIcfgContainer [2020-10-22 00:46:48,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:46:48,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:46:48,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:46:48,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:46:48,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:46:46" (1/3) ... [2020-10-22 00:46:48,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a84618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:46:48, skipping insertion in model container [2020-10-22 00:46:48,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:47" (2/3) ... [2020-10-22 00:46:48,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a84618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:46:48, skipping insertion in model container [2020-10-22 00:46:48,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:46:48" (3/3) ... [2020-10-22 00:46:48,964 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-10-22 00:46:48,975 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:46:48,975 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:46:48,983 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-22 00:46:48,984 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:46:49,019 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,024 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,025 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,027 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,027 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,029 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,036 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,036 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,045 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:49,066 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 00:46:49,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-22 00:46:49,100 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:46:49,100 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:46:49,100 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:46:49,100 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:46:49,100 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:46:49,101 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:46:49,101 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:46:49,101 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:46:49,121 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:46:49,122 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 00:46:49,125 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 167 transitions, 356 flow [2020-10-22 00:46:49,127 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 167 transitions, 356 flow [2020-10-22 00:46:49,235 INFO L129 PetriNetUnfolder]: 15/215 cut-off events. [2020-10-22 00:46:49,235 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 00:46:49,243 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 15/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 484 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2020-10-22 00:46:49,250 INFO L116 LiptonReduction]: Number of co-enabled transitions 3780 [2020-10-22 00:46:51,040 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,067 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:51,073 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:51,086 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,086 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-22 00:46:51,578 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:51,609 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:51,634 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:51,634 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-22 00:46:52,673 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 00:46:52,703 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:52,830 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 00:46:52,850 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:52,859 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:52,928 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:52,929 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. [2020-10-22 00:46:52,930 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:178, output treesize:160 [2020-10-22 00:46:53,265 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 00:46:53,288 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:53,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:53,373 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:53,427 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:46:53,428 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 00:46:53,428 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:141, output treesize:113 [2020-10-22 00:46:53,700 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-22 00:46:53,947 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-22 00:46:54,094 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-22 00:46:55,348 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-10-22 00:46:55,999 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 00:46:56,329 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-22 00:46:56,476 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 00:46:56,875 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-22 00:46:57,274 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-22 00:46:57,496 INFO L131 LiptonReduction]: Checked pairs total: 9365 [2020-10-22 00:46:57,496 INFO L133 LiptonReduction]: Total number of compositions: 181 [2020-10-22 00:46:57,505 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 43 transitions, 108 flow [2020-10-22 00:46:57,566 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 603 states. [2020-10-22 00:46:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2020-10-22 00:46:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 00:46:57,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:57,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 00:46:57,581 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]=== [2020-10-22 00:46:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:57,587 INFO L82 PathProgramCache]: Analyzing trace with hash 20822274, now seen corresponding path program 1 times [2020-10-22 00:46:57,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:57,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714751074] [2020-10-22 00:46:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:58,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714751074] [2020-10-22 00:46:58,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:58,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:46:58,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [984493673] [2020-10-22 00:46:58,048 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:58,051 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:58,065 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 00:46:58,065 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:58,071 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:58,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:46:58,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:58,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:46:58,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:58,086 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 3 states. [2020-10-22 00:46:58,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:58,276 INFO L93 Difference]: Finished difference Result 758 states and 1916 transitions. [2020-10-22 00:46:58,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:46:58,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 00:46:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:58,302 INFO L225 Difference]: With dead ends: 758 [2020-10-22 00:46:58,302 INFO L226 Difference]: Without dead ends: 720 [2020-10-22 00:46:58,304 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 [2020-10-22 00:46:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-10-22 00:46:58,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 624. [2020-10-22 00:46:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-22 00:46:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 1566 transitions. [2020-10-22 00:46:58,422 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 1566 transitions. Word has length 4 [2020-10-22 00:46:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:58,423 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 1566 transitions. [2020-10-22 00:46:58,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:46:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1566 transitions. [2020-10-22 00:46:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 00:46:58,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:58,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 00:46:58,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:46:58,426 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]=== [2020-10-22 00:46:58,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:58,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1464817713, now seen corresponding path program 1 times [2020-10-22 00:46:58,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:58,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262206048] [2020-10-22 00:46:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:58,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262206048] [2020-10-22 00:46:58,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:58,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:46:58,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1499965879] [2020-10-22 00:46:58,583 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:58,584 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:58,585 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 00:46:58,586 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:58,586 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:58,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:46:58,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:58,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:46:58,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:46:58,589 INFO L87 Difference]: Start difference. First operand 624 states and 1566 transitions. Second operand 4 states. [2020-10-22 00:46:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:58,759 INFO L93 Difference]: Finished difference Result 781 states and 1911 transitions. [2020-10-22 00:46:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:46:58,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-22 00:46:58,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:58,766 INFO L225 Difference]: With dead ends: 781 [2020-10-22 00:46:58,766 INFO L226 Difference]: Without dead ends: 694 [2020-10-22 00:46:58,767 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 [2020-10-22 00:46:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-22 00:46:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 662. [2020-10-22 00:46:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-22 00:46:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1675 transitions. [2020-10-22 00:46:58,801 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1675 transitions. Word has length 6 [2020-10-22 00:46:58,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:58,801 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1675 transitions. [2020-10-22 00:46:58,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:46:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1675 transitions. [2020-10-22 00:46:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 00:46:58,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:58,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:46:58,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:46:58,803 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]=== [2020-10-22 00:46:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:58,803 INFO L82 PathProgramCache]: Analyzing trace with hash -459458224, now seen corresponding path program 1 times [2020-10-22 00:46:58,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:58,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632633869] [2020-10-22 00:46:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:58,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632633869] [2020-10-22 00:46:58,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:58,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:46:58,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [578336382] [2020-10-22 00:46:58,901 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:58,902 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:58,903 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 00:46:58,903 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:58,904 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:58,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:46:58,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:58,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:46:58,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:58,905 INFO L87 Difference]: Start difference. First operand 662 states and 1675 transitions. Second operand 3 states. [2020-10-22 00:46:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:59,013 INFO L93 Difference]: Finished difference Result 862 states and 2197 transitions. [2020-10-22 00:46:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:46:59,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 00:46:59,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:59,022 INFO L225 Difference]: With dead ends: 862 [2020-10-22 00:46:59,022 INFO L226 Difference]: Without dead ends: 862 [2020-10-22 00:46:59,022 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 [2020-10-22 00:46:59,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-22 00:46:59,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 722. [2020-10-22 00:46:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-22 00:46:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1831 transitions. [2020-10-22 00:46:59,056 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1831 transitions. Word has length 7 [2020-10-22 00:46:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:59,057 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 1831 transitions. [2020-10-22 00:46:59,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:46:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1831 transitions. [2020-10-22 00:46:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 00:46:59,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:59,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:46:59,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:46:59,059 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]=== [2020-10-22 00:46:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:59,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1358302714, now seen corresponding path program 1 times [2020-10-22 00:46:59,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:59,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687593025] [2020-10-22 00:46:59,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:59,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687593025] [2020-10-22 00:46:59,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:59,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:46:59,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2053757647] [2020-10-22 00:46:59,133 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:59,134 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:59,136 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 00:46:59,136 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:59,136 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:59,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:46:59,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:59,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:46:59,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:59,138 INFO L87 Difference]: Start difference. First operand 722 states and 1831 transitions. Second operand 3 states. [2020-10-22 00:46:59,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:59,241 INFO L93 Difference]: Finished difference Result 890 states and 2269 transitions. [2020-10-22 00:46:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:46:59,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 00:46:59,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:59,248 INFO L225 Difference]: With dead ends: 890 [2020-10-22 00:46:59,248 INFO L226 Difference]: Without dead ends: 890 [2020-10-22 00:46:59,249 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 [2020-10-22 00:46:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-10-22 00:46:59,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 782. [2020-10-22 00:46:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-22 00:46:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 2019 transitions. [2020-10-22 00:46:59,277 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 2019 transitions. Word has length 8 [2020-10-22 00:46:59,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:59,278 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 2019 transitions. [2020-10-22 00:46:59,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:46:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 2019 transitions. [2020-10-22 00:46:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 00:46:59,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:59,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:46:59,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:46:59,280 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]=== [2020-10-22 00:46:59,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:59,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1778833452, now seen corresponding path program 1 times [2020-10-22 00:46:59,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:59,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333445616] [2020-10-22 00:46:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:46:59,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:46:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:46:59,372 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:46:59,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:46:59,407 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:46:59,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:46:59,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:46:59 BasicIcfg [2020-10-22 00:46:59,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:46:59,453 INFO L168 Benchmark]: Toolchain (without parser) took 13239.31 ms. Allocated memory was 145.8 MB in the beginning and 316.1 MB in the end (delta: 170.4 MB). Free memory was 98.0 MB in the beginning and 116.9 MB in the end (delta: -18.9 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,454 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1675.75 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 97.1 MB in the beginning and 173.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.46 ms. Allocated memory is still 235.4 MB. Free memory was 173.6 MB in the beginning and 169.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,457 INFO L168 Benchmark]: Boogie Preprocessor took 48.78 ms. Allocated memory is still 235.4 MB. Free memory was 169.2 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,457 INFO L168 Benchmark]: RCFGBuilder took 903.23 ms. Allocated memory is still 235.4 MB. Free memory was 166.3 MB in the beginning and 101.4 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,458 INFO L168 Benchmark]: TraceAbstraction took 10494.87 ms. Allocated memory was 235.4 MB in the beginning and 316.1 MB in the end (delta: 80.7 MB). Free memory was 101.4 MB in the beginning and 116.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:59,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1675.75 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 97.1 MB in the beginning and 173.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 103.46 ms. Allocated memory is still 235.4 MB. Free memory was 173.6 MB in the beginning and 169.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.78 ms. Allocated memory is still 235.4 MB. Free memory was 169.2 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 903.23 ms. Allocated memory is still 235.4 MB. Free memory was 166.3 MB in the beginning and 101.4 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10494.87 ms. Allocated memory was 235.4 MB in the beginning and 316.1 MB in the end (delta: 80.7 MB). Free memory was 101.4 MB in the beginning and 116.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1951 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 119 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.3s, 161 PlacesBefore, 44 PlacesAfterwards, 167 TransitionsBefore, 43 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 7 FixpointIterations, 79 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 24 ConcurrentYvCompositions, 7 ChoiceCompositions, 181 TotalNumberOfCompositions, 9365 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={9:0}, t2={5:0}] [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) );}) [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}, pthread_mutex_lock (&data->lock)=0, t1={9:0}, t2={5:0}] [L1709] 0 data->shared.a = 3 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={9:0}, t2={5:0}] [L1712] 0 data->shared.b = 3 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, pthread_mutex_lock (&data->lock)=0, t1={9:0}, t2={5:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={9:0}, t2={5:0}] [L1715] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_3-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={9:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, HoareTripleCheckerStatistics: 165 SDtfs, 67 SDslu, 71 SDs, 0 SdLazy, 183 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred in iteration=4, 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, 4 MinimizatonAttempts, 376 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...