/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:10:58,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:10:58,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:10:58,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:10:58,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:10:58,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:10:58,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:10:58,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:10:58,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:10:58,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:10:58,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:10:58,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:10:58,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:10:58,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:10:58,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:10:58,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:10:58,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:10:58,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:10:58,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:10:58,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:10:58,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:10:58,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:10:58,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:10:58,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:10:58,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:10:58,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:10:58,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:10:58,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:10:58,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:10:58,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:10:58,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:10:58,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:10:58,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:10:58,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:10:58,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:10:58,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:10:58,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:10:58,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:10:58,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:10:58,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:10:58,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:10:58,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf [2020-04-18 20:10:58,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:10:58,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:10:58,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:10:58,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:10:58,151 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:10:58,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:10:58,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:10:58,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:10:58,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:10:58,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:10:58,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:10:58,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:10:58,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:10:58,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:10:58,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:10:58,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:10:58,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:10:58,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:10:58,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:10:58,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:10:58,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:10:58,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:10:58,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:10:58,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:10:58,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:10:58,157 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:10:58,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:10:58,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:10:58,158 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:10:58,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:10:58,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:10:58,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:10:58,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:10:58,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:10:58,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:10:58,494 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:10:58,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-04-18 20:10:58,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4e741fc/b30f675195e04e1f87046558485fd768/FLAGb6299dce7 [2020-04-18 20:10:59,184 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:10:59,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-04-18 20:10:59,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4e741fc/b30f675195e04e1f87046558485fd768/FLAGb6299dce7 [2020-04-18 20:10:59,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4e741fc/b30f675195e04e1f87046558485fd768 [2020-04-18 20:10:59,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:10:59,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:10:59,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:59,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:10:59,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:10:59,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:59" (1/1) ... [2020-04-18 20:10:59,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cadabca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:59, skipping insertion in model container [2020-04-18 20:10:59,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:59" (1/1) ... [2020-04-18 20:10:59,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:10:59,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:11:00,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:11:00,264 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:11:00,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:11:00,801 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:11:00,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00 WrapperNode [2020-04-18 20:11:00,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:11:00,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:11:00,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:11:00,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:11:00,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:11:00,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:11:00,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:11:00,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:11:00,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (1/1) ... [2020-04-18 20:11:00,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:11:00,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:11:00,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:11:00,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:11:00,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (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 [2020-04-18 20:11:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:11:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:11:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 20:11:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 20:11:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:11:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:11:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 20:11:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 20:11:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:11:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:11:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:11:01,033 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 20:11:01,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:11:01,822 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 20:11:01,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:11:01 BoogieIcfgContainer [2020-04-18 20:11:01,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:11:01,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:11:01,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:11:01,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:11:01,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:10:59" (1/3) ... [2020-04-18 20:11:01,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78598982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:11:01, skipping insertion in model container [2020-04-18 20:11:01,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:11:00" (2/3) ... [2020-04-18 20:11:01,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78598982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:11:01, skipping insertion in model container [2020-04-18 20:11:01,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:11:01" (3/3) ... [2020-04-18 20:11:01,835 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-04-18 20:11:01,845 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:11:01,845 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:11:01,852 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 20:11:01,853 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:11:01,886 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,887 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,887 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,887 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,887 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,888 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,888 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,888 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,888 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,889 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,889 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,889 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,889 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,890 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,890 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,890 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,890 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,890 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,891 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,891 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,891 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,892 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,892 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,892 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,893 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,893 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,893 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,893 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,894 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,894 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,894 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,895 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,895 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,895 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,895 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,896 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,896 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,896 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,896 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,897 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,897 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,897 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,897 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,898 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,898 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,898 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,898 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,899 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,899 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,899 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,899 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,899 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,900 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,900 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,900 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,901 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,901 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,901 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,901 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,902 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,902 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,902 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,902 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,903 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,903 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,903 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,903 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,903 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,904 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,904 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,908 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,909 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,909 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,909 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,909 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,910 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,910 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,910 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,910 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,910 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,911 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,911 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,918 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,918 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,919 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,919 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,919 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,919 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,920 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,920 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,920 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,920 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,921 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,921 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:11:01,954 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 20:11:01,977 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:11:01,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:11:01,977 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:11:01,978 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:11:01,978 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:11:01,978 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:11:01,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:11:01,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:11:01,996 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 20:11:02,373 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9149 states. [2020-04-18 20:11:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 9149 states. [2020-04-18 20:11:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:11:02,392 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:02,393 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:02,393 INFO L427 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]=== [2020-04-18 20:11:02,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:02,401 INFO L82 PathProgramCache]: Analyzing trace with hash 285255635, now seen corresponding path program 1 times [2020-04-18 20:11:02,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:02,409 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1773378343] [2020-04-18 20:11:02,425 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:02,434 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:11:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-04-18 20:11:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:11:02,438 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:02,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:02,438 INFO L82 PathProgramCache]: Analyzing trace with hash 285255635, now seen corresponding path program 2 times [2020-04-18 20:11:02,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:02,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404186986] [2020-04-18 20:11:02,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:03,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404186986] [2020-04-18 20:11:03,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:03,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:03,035 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:03,043 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:03,064 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:11:03,065 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:03,121 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:03,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:03,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:03,127 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 6 states. [2020-04-18 20:11:03,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:03,274 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2020-04-18 20:11:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2020-04-18 20:11:03,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:03,276 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1773378343] [2020-04-18 20:11:03,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:03,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:11:03,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1773378343] [2020-04-18 20:11:03,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:11:03,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:03,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:03,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:11:03,284 INFO L87 Difference]: Start difference. First operand 9149 states. Second operand 6 states. [2020-04-18 20:11:04,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:04,264 INFO L93 Difference]: Finished difference Result 12892 states and 35647 transitions. [2020-04-18 20:11:04,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 20:11:04,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 20:11:04,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:04,363 INFO L225 Difference]: With dead ends: 12892 [2020-04-18 20:11:04,363 INFO L226 Difference]: Without dead ends: 10817 [2020-04-18 20:11:04,365 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:11:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10817 states. [2020-04-18 20:11:04,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10817 to 8397. [2020-04-18 20:11:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8397 states. [2020-04-18 20:11:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 22956 transitions. [2020-04-18 20:11:04,965 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 22956 transitions. Word has length 44 [2020-04-18 20:11:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:04,965 INFO L479 AbstractCegarLoop]: Abstraction has 8397 states and 22956 transitions. [2020-04-18 20:11:04,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:11:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 22956 transitions. [2020-04-18 20:11:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:11:04,976 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:04,976 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:04,977 INFO L427 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]=== [2020-04-18 20:11:04,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:04,980 INFO L82 PathProgramCache]: Analyzing trace with hash -715758526, now seen corresponding path program 1 times [2020-04-18 20:11:04,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:04,980 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1228034924] [2020-04-18 20:11:04,981 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:04,981 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:11:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-04-18 20:11:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:11:04,983 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:04,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:04,984 INFO L82 PathProgramCache]: Analyzing trace with hash -715758526, now seen corresponding path program 2 times [2020-04-18 20:11:04,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:04,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540905161] [2020-04-18 20:11:04,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:05,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540905161] [2020-04-18 20:11:05,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:05,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:05,259 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:05,271 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:05,281 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:11:05,281 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:05,337 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:05,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:05,339 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 6 states. [2020-04-18 20:11:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:05,474 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-04-18 20:11:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2020-04-18 20:11:05,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:05,475 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1228034924] [2020-04-18 20:11:05,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:05,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:11:05,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1228034924] [2020-04-18 20:11:05,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:11:05,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:05,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:05,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:11:05,478 INFO L87 Difference]: Start difference. First operand 8397 states and 22956 transitions. Second operand 6 states. [2020-04-18 20:11:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:06,222 INFO L93 Difference]: Finished difference Result 11653 states and 31766 transitions. [2020-04-18 20:11:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:11:06,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 20:11:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:06,368 INFO L225 Difference]: With dead ends: 11653 [2020-04-18 20:11:06,368 INFO L226 Difference]: Without dead ends: 9859 [2020-04-18 20:11:06,370 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 20:11:06,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9859 states. [2020-04-18 20:11:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9859 to 9537. [2020-04-18 20:11:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9537 states. [2020-04-18 20:11:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9537 states to 9537 states and 26144 transitions. [2020-04-18 20:11:06,672 INFO L78 Accepts]: Start accepts. Automaton has 9537 states and 26144 transitions. Word has length 50 [2020-04-18 20:11:06,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:06,672 INFO L479 AbstractCegarLoop]: Abstraction has 9537 states and 26144 transitions. [2020-04-18 20:11:06,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:11:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 9537 states and 26144 transitions. [2020-04-18 20:11:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 20:11:06,685 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:06,685 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:06,688 INFO L427 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]=== [2020-04-18 20:11:06,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:06,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1034646044, now seen corresponding path program 1 times [2020-04-18 20:11:06,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:06,696 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1759296632] [2020-04-18 20:11:06,699 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:06,710 INFO L259 McrAutomatonBuilder]: Finished intersection with 179 states and 298 transitions. [2020-04-18 20:11:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-04-18 20:11:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 20:11:06,715 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:06,715 INFO L82 PathProgramCache]: Analyzing trace with hash 262056498, now seen corresponding path program 2 times [2020-04-18 20:11:06,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:06,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516815542] [2020-04-18 20:11:06,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:06,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516815542] [2020-04-18 20:11:06,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:06,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 20:11:06,918 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:06,932 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:07,077 INFO L259 McrAutomatonBuilder]: Finished intersection with 115 states and 170 transitions. [2020-04-18 20:11:07,077 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:07,177 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,191 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:07,194 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,198 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:07,199 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,199 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:3 [2020-04-18 20:11:07,207 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,212 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:07,215 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,218 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:07,218 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 20:11:07,218 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:1 [2020-04-18 20:11:07,569 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 22 times. [2020-04-18 20:11:07,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 20:11:07,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:11:07,570 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 15 states. [2020-04-18 20:11:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:08,279 INFO L93 Difference]: Finished difference Result 179 states and 298 transitions. [2020-04-18 20:11:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 298 transitions. [2020-04-18 20:11:08,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:08,281 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1759296632] [2020-04-18 20:11:08,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:08,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 20:11:08,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1759296632] [2020-04-18 20:11:08,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-04-18 20:11:08,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:08,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 20:11:08,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2020-04-18 20:11:08,283 INFO L87 Difference]: Start difference. First operand 9537 states and 26144 transitions. Second operand 15 states. [2020-04-18 20:11:09,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:09,345 INFO L93 Difference]: Finished difference Result 4084 states and 10516 transitions. [2020-04-18 20:11:09,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:11:09,346 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2020-04-18 20:11:09,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:09,358 INFO L225 Difference]: With dead ends: 4084 [2020-04-18 20:11:09,359 INFO L226 Difference]: Without dead ends: 4084 [2020-04-18 20:11:09,359 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2020-04-18 20:11:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-04-18 20:11:09,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3712. [2020-04-18 20:11:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3712 states. [2020-04-18 20:11:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3712 states and 9634 transitions. [2020-04-18 20:11:09,946 INFO L78 Accepts]: Start accepts. Automaton has 3712 states and 9634 transitions. Word has length 58 [2020-04-18 20:11:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:09,947 INFO L479 AbstractCegarLoop]: Abstraction has 3712 states and 9634 transitions. [2020-04-18 20:11:09,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-04-18 20:11:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 9634 transitions. [2020-04-18 20:11:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-04-18 20:11:09,960 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:09,960 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:09,960 INFO L427 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]=== [2020-04-18 20:11:09,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:09,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1274627888, now seen corresponding path program 1 times [2020-04-18 20:11:09,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:09,961 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [645495927] [2020-04-18 20:11:09,964 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:09,971 INFO L259 McrAutomatonBuilder]: Finished intersection with 242 states and 409 transitions. [2020-04-18 20:11:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2020-04-18 20:11:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-04-18 20:11:09,974 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:09,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:09,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1274627888, now seen corresponding path program 2 times [2020-04-18 20:11:09,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:09,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978477953] [2020-04-18 20:11:09,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:10,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978477953] [2020-04-18 20:11:10,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:10,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:10,200 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:10,219 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:10,346 INFO L259 McrAutomatonBuilder]: Finished intersection with 232 states and 389 transitions. [2020-04-18 20:11:10,347 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:10,393 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:10,394 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 6 states. [2020-04-18 20:11:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:10,527 INFO L93 Difference]: Finished difference Result 242 states and 409 transitions. [2020-04-18 20:11:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 409 transitions. [2020-04-18 20:11:10,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:10,529 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [645495927] [2020-04-18 20:11:10,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:10,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:11:10,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [645495927] [2020-04-18 20:11:10,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:11:10,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:10,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:10,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:11:10,531 INFO L87 Difference]: Start difference. First operand 3712 states and 9634 transitions. Second operand 6 states. [2020-04-18 20:11:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:11,060 INFO L93 Difference]: Finished difference Result 4017 states and 10183 transitions. [2020-04-18 20:11:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:11:11,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-04-18 20:11:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:11,073 INFO L225 Difference]: With dead ends: 4017 [2020-04-18 20:11:11,073 INFO L226 Difference]: Without dead ends: 4017 [2020-04-18 20:11:11,074 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-04-18 20:11:11,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2020-04-18 20:11:11,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3764. [2020-04-18 20:11:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3764 states. [2020-04-18 20:11:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 9726 transitions. [2020-04-18 20:11:11,177 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 9726 transitions. Word has length 73 [2020-04-18 20:11:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:11,183 INFO L479 AbstractCegarLoop]: Abstraction has 3764 states and 9726 transitions. [2020-04-18 20:11:11,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:11:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 9726 transitions. [2020-04-18 20:11:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-04-18 20:11:11,197 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:11,198 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:11,198 INFO L427 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]=== [2020-04-18 20:11:11,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:11,198 INFO L82 PathProgramCache]: Analyzing trace with hash -773067067, now seen corresponding path program 1 times [2020-04-18 20:11:11,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:11,199 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [746842248] [2020-04-18 20:11:11,204 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:11,212 INFO L259 McrAutomatonBuilder]: Finished intersection with 248 states and 415 transitions. [2020-04-18 20:11:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states. [2020-04-18 20:11:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-04-18 20:11:11,218 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:11,218 INFO L82 PathProgramCache]: Analyzing trace with hash -773067067, now seen corresponding path program 2 times [2020-04-18 20:11:11,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:11,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209552950] [2020-04-18 20:11:11,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:11,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209552950] [2020-04-18 20:11:11,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:11,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:11,401 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:11,422 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:11,685 INFO L259 McrAutomatonBuilder]: Finished intersection with 238 states and 395 transitions. [2020-04-18 20:11:11,685 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:11,733 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:11,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:11,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:11,734 INFO L87 Difference]: Start difference. First operand 248 states. Second operand 6 states. [2020-04-18 20:11:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:11,877 INFO L93 Difference]: Finished difference Result 248 states and 415 transitions. [2020-04-18 20:11:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 415 transitions. [2020-04-18 20:11:11,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:11,878 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [746842248] [2020-04-18 20:11:11,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:11,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:11:11,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [746842248] [2020-04-18 20:11:11,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:11:11,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:11,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:11,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:11:11,881 INFO L87 Difference]: Start difference. First operand 3764 states and 9726 transitions. Second operand 6 states. [2020-04-18 20:11:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:12,352 INFO L93 Difference]: Finished difference Result 4118 states and 10348 transitions. [2020-04-18 20:11:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:11:12,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-04-18 20:11:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:12,362 INFO L225 Difference]: With dead ends: 4118 [2020-04-18 20:11:12,362 INFO L226 Difference]: Without dead ends: 4118 [2020-04-18 20:11:12,363 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:11:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2020-04-18 20:11:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 3942. [2020-04-18 20:11:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3942 states. [2020-04-18 20:11:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 10066 transitions. [2020-04-18 20:11:12,467 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 10066 transitions. Word has length 79 [2020-04-18 20:11:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:12,467 INFO L479 AbstractCegarLoop]: Abstraction has 3942 states and 10066 transitions. [2020-04-18 20:11:12,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:11:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 10066 transitions. [2020-04-18 20:11:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:12,476 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:12,476 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:12,477 INFO L427 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]=== [2020-04-18 20:11:12,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:12,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2121022428, now seen corresponding path program 1 times [2020-04-18 20:11:12,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:12,478 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1772641253] [2020-04-18 20:11:12,485 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:12,558 INFO L259 McrAutomatonBuilder]: Finished intersection with 1922 states and 5105 transitions. [2020-04-18 20:11:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states. [2020-04-18 20:11:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:12,580 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:12,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2118803552, now seen corresponding path program 2 times [2020-04-18 20:11:12,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:12,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670907219] [2020-04-18 20:11:12,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:12,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670907219] [2020-04-18 20:11:12,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:12,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:12,763 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:12,788 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:14,295 INFO L259 McrAutomatonBuilder]: Finished intersection with 1281 states and 3317 transitions. [2020-04-18 20:11:14,295 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:14,371 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:14,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:14,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:14,372 INFO L87 Difference]: Start difference. First operand 1922 states. Second operand 6 states. [2020-04-18 20:11:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:14,575 INFO L93 Difference]: Finished difference Result 1934 states and 5116 transitions. [2020-04-18 20:11:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 5116 transitions. [2020-04-18 20:11:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:14,580 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:11:14,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:14,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2121022428, now seen corresponding path program 3 times [2020-04-18 20:11:14,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:14,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796713345] [2020-04-18 20:11:14,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:15,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796713345] [2020-04-18 20:11:15,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:15,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-04-18 20:11:15,478 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:15,502 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:16,912 INFO L259 McrAutomatonBuilder]: Finished intersection with 1293 states and 3341 transitions. [2020-04-18 20:11:16,913 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:17,534 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 26 times. [2020-04-18 20:11:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 20:11:17,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2020-04-18 20:11:17,535 INFO L87 Difference]: Start difference. First operand 1934 states and 5116 transitions. Second operand 17 states. [2020-04-18 20:11:18,581 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-04-18 20:11:19,478 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-04-18 20:11:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:19,985 INFO L93 Difference]: Finished difference Result 1961 states and 5142 transitions. [2020-04-18 20:11:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 5142 transitions. [2020-04-18 20:11:19,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:11:19,988 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1772641253] [2020-04-18 20:11:19,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:11:19,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-04-18 20:11:19,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1772641253] [2020-04-18 20:11:19,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-04-18 20:11:19,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:11:19,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-04-18 20:11:19,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=1346, Unknown=0, NotChecked=0, Total=1722 [2020-04-18 20:11:19,990 INFO L87 Difference]: Start difference. First operand 3942 states and 10066 transitions. Second operand 21 states. [2020-04-18 20:11:22,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:22,711 INFO L93 Difference]: Finished difference Result 4047 states and 10227 transitions. [2020-04-18 20:11:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-04-18 20:11:22,712 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 81 [2020-04-18 20:11:22,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:11:22,719 INFO L225 Difference]: With dead ends: 4047 [2020-04-18 20:11:22,720 INFO L226 Difference]: Without dead ends: 4047 [2020-04-18 20:11:22,721 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=616, Invalid=2354, Unknown=0, NotChecked=0, Total=2970 [2020-04-18 20:11:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4047 states. [2020-04-18 20:11:22,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4047 to 3845. [2020-04-18 20:11:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3845 states. [2020-04-18 20:11:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 9863 transitions. [2020-04-18 20:11:22,807 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 9863 transitions. Word has length 81 [2020-04-18 20:11:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:11:22,807 INFO L479 AbstractCegarLoop]: Abstraction has 3845 states and 9863 transitions. [2020-04-18 20:11:22,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-04-18 20:11:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 9863 transitions. [2020-04-18 20:11:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:22,815 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:11:22,815 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:11:22,815 INFO L427 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]=== [2020-04-18 20:11:22,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1830395389, now seen corresponding path program 1 times [2020-04-18 20:11:22,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:11:22,816 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2050729794] [2020-04-18 20:11:22,820 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:22,871 INFO L259 McrAutomatonBuilder]: Finished intersection with 1940 states and 5141 transitions. [2020-04-18 20:11:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states. [2020-04-18 20:11:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:22,890 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:11:22,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:22,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1335200599, now seen corresponding path program 2 times [2020-04-18 20:11:22,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:22,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746114904] [2020-04-18 20:11:22,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:23,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746114904] [2020-04-18 20:11:23,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:23,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:11:23,061 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:23,105 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:23,777 INFO L259 McrAutomatonBuilder]: Finished intersection with 797 states and 1995 transitions. [2020-04-18 20:11:23,777 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:23,824 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:11:23,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:11:23,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:11:23,824 INFO L87 Difference]: Start difference. First operand 1940 states. Second operand 6 states. [2020-04-18 20:11:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:11:24,012 INFO L93 Difference]: Finished difference Result 1952 states and 5152 transitions. [2020-04-18 20:11:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 5152 transitions. [2020-04-18 20:11:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:11:24,018 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:11:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:11:24,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1830395389, now seen corresponding path program 3 times [2020-04-18 20:11:24,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:11:24,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53124022] [2020-04-18 20:11:24,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:11:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:11:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:11:25,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53124022] [2020-04-18 20:11:25,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:11:25,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-04-18 20:11:25,031 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:11:25,046 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:11:25,593 INFO L259 McrAutomatonBuilder]: Finished intersection with 758 states and 1877 transitions. [2020-04-18 20:11:25,593 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:11:29,558 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2020-04-18 20:11:30,558 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,562 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,566 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,575 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,583 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,635 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:30,639 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,643 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,646 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,650 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,653 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:30,674 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:30,674 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:11:30,674 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:181, output treesize:16 [2020-04-18 20:11:32,821 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,825 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,829 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,834 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,838 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,891 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:32,894 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,899 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,910 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,918 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,922 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:32,940 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:32,941 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-04-18 20:11:32,941 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:181, output treesize:16 [2020-04-18 20:11:33,616 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-04-18 20:11:34,630 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-04-18 20:11:35,705 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:37,856 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-04-18 20:11:38,223 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:38,845 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-04-18 20:11:39,707 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-04-18 20:11:40,791 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:41,641 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-04-18 20:11:42,706 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:43,093 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:44,759 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:45,318 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:46,630 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:47,406 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:48,896 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:49,896 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:50,930 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-04-18 20:11:51,711 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-18 20:11:52,528 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-04-18 20:11:52,947 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:52,951 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:52,956 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:52,961 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:52,966 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,102 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-04-18 20:11:53,103 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:53,108 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,112 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,117 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,122 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,125 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,239 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-04-18 20:11:53,240 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:53,241 INFO L539 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2020-04-18 20:11:53,241 INFO L239 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:291, output treesize:131 [2020-04-18 20:11:53,255 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,261 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,266 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,269 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,377 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-18 20:11:53,378 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:53,383 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,387 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,392 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,395 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:53,482 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:53,483 INFO L539 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2020-04-18 20:11:53,483 INFO L239 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:233, output treesize:105 [2020-04-18 20:11:53,488 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 170 times. [2020-04-18 20:11:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2020-04-18 20:11:53,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=10023, Unknown=0, NotChecked=0, Total=10506 [2020-04-18 20:11:53,492 INFO L87 Difference]: Start difference. First operand 1952 states and 5152 transitions. Second operand 94 states. [2020-04-18 20:11:58,998 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-04-18 20:11:59,919 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2020-04-18 20:12:00,422 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-04-18 20:12:00,930 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-04-18 20:12:01,689 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-04-18 20:12:02,860 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2020-04-18 20:12:03,470 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-04-18 20:12:04,264 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-04-18 20:12:05,642 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-18 20:12:06,305 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-18 20:12:07,626 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2020-04-18 20:12:08,567 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2020-04-18 20:12:09,300 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-04-18 20:12:10,088 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-04-18 20:12:11,079 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 53 [2020-04-18 20:12:12,042 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 54 [2020-04-18 20:12:13,339 WARN L192 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 102 [2020-04-18 20:12:14,533 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2020-04-18 20:12:15,728 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-04-18 20:12:16,587 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-04-18 20:12:17,493 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 50 [2020-04-18 20:12:18,224 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 58 [2020-04-18 20:12:19,206 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 59 [2020-04-18 20:12:21,450 WARN L192 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 112 [2020-04-18 20:12:22,708 WARN L192 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 90 [2020-04-18 20:12:24,085 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-04-18 20:12:25,109 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 55 [2020-04-18 20:12:25,954 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2020-04-18 20:12:28,495 WARN L192 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 117 [2020-04-18 20:12:30,713 WARN L192 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 60 [2020-04-18 20:12:31,463 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-04-18 20:12:35,020 WARN L192 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 95 [2020-04-18 20:12:36,613 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 70 [2020-04-18 20:12:37,424 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-04-18 20:12:40,608 WARN L192 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 122 [2020-04-18 20:12:42,202 WARN L192 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 102 [2020-04-18 20:12:43,128 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 60 [2020-04-18 20:12:44,672 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 65 [2020-04-18 20:12:45,471 WARN L192 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 76 [2020-04-18 20:12:50,049 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 252 DAG size of output: 129 [2020-04-18 20:12:51,454 WARN L192 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 78 [2020-04-18 20:12:53,151 WARN L192 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 69 [2020-04-18 20:12:56,574 WARN L192 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 92 [2020-04-18 20:12:59,708 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2020-04-18 20:13:00,517 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-04-18 20:13:02,176 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 70 [2020-04-18 20:13:05,129 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 52 [2020-04-18 20:13:06,592 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2020-04-18 20:13:10,197 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 57 [2020-04-18 20:13:11,733 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2020-04-18 20:13:17,197 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-04-18 20:13:18,838 WARN L192 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 85 [2020-04-18 20:13:22,111 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-04-18 20:13:23,707 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 92 [2020-04-18 20:13:26,569 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 64 [2020-04-18 20:13:27,953 WARN L192 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 76 [2020-04-18 20:13:29,462 WARN L192 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 108 [2020-04-18 20:13:30,724 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2020-04-18 20:13:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:13:39,730 INFO L93 Difference]: Finished difference Result 4001 states and 10465 transitions. [2020-04-18 20:13:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 10465 transitions. [2020-04-18 20:13:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 20:13:39,738 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 20:13:39,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:13:39,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1612354563, now seen corresponding path program 4 times [2020-04-18 20:13:39,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:13:39,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873280553] [2020-04-18 20:13:39,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:13:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:13:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:13:39,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 20:13:39,940 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 20:13:39,940 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 20:13:40,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:13:40 BasicIcfg [2020-04-18 20:13:40,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:13:40,068 INFO L168 Benchmark]: Toolchain (without parser) took 160721.71 ms. Allocated memory was 138.9 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 100.7 MB in the beginning and 589.3 MB in the end (delta: -488.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,069 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.05 ms. Allocated memory was 138.9 MB in the beginning and 237.5 MB in the end (delta: 98.6 MB). Free memory was 98.8 MB in the beginning and 172.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.59 ms. Allocated memory is still 237.5 MB. Free memory was 172.7 MB in the beginning and 168.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,070 INFO L168 Benchmark]: Boogie Preprocessor took 59.07 ms. Allocated memory is still 237.5 MB. Free memory was 168.2 MB in the beginning and 165.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,071 INFO L168 Benchmark]: RCFGBuilder took 889.36 ms. Allocated memory is still 237.5 MB. Free memory was 165.2 MB in the beginning and 117.6 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,071 INFO L168 Benchmark]: TraceAbstraction took 158238.44 ms. Allocated memory was 237.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 117.6 MB in the beginning and 589.3 MB in the end (delta: -471.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-04-18 20:13:40,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1432.05 ms. Allocated memory was 138.9 MB in the beginning and 237.5 MB in the end (delta: 98.6 MB). Free memory was 98.8 MB in the beginning and 172.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.59 ms. Allocated memory is still 237.5 MB. Free memory was 172.7 MB in the beginning and 168.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.07 ms. Allocated memory is still 237.5 MB. Free memory was 168.2 MB in the beginning and 165.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 889.36 ms. Allocated memory is still 237.5 MB. Free memory was 165.2 MB in the beginning and 117.6 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 158238.44 ms. Allocated memory was 237.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 117.6 MB in the beginning and 589.3 MB in the end (delta: -471.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1731] 0 return 0; VAL [t1={5:0}, t2={6:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={5:0}, t2={6:0}] [L1739] 0 int probe_ret; VAL [t1={5:0}, t2={6:0}] [L1740] 0 struct my_data data; VAL [t1={5:0}, t2={6:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={5:0}, t2={6:0}] [L1708] 0 data->shared.a = 0 VAL [t1={5:0}, t2={6:0}] [L1709] 0 data->shared.b = 0 VAL [t1={5:0}, t2={6:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={5:0}, t2={6:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1742] COND TRUE 0 probe_ret==0 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 \read(t1) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] EXPR 1 data->shared.b VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1724] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1725] 0 data->shared.a VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 157.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 1424 SDtfs, 2732 SDslu, 6759 SDs, 0 SdLazy, 2116 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 667 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9537occurred 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: 1.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 3745 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...