/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:53:02,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:53:02,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:53:02,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:53:02,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:53:02,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:53:02,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:53:02,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:53:02,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:53:02,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:53:02,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:53:02,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:53:02,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:53:02,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:53:02,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:53:02,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:53:02,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:53:02,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:53:02,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:53:02,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:53:02,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:53:02,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:53:02,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:53:02,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:53:02,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:53:02,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:53:02,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:53:02,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:53:02,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:53:02,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:53:02,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:53:02,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:53:02,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:53:02,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:53:02,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:53:02,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:53:02,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:53:02,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:53:02,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:53:02,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:53:02,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:53:02,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:53:02,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:53:02,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:53:02,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:53:02,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:53:02,949 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:53:02,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:53:02,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:53:02,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:53:02,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:53:02,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:53:02,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:53:02,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:53:02,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:53:02,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:53:02,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:53:02,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:53:02,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:53:02,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:53:02,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:53:02,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:53:02,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:53:02,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:53:02,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:53:02,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:53:02,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:53:02,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:53:02,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:53:02,961 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:53:02,961 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:53:02,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:53:02,962 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:53:03,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:53:03,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:53:03,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:53:03,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:53:03,282 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:53:03,283 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-10-16 13:53:03,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62e7f90bb/8bce0605e02b48fdaf2a39b0065c584b/FLAGf9547b45b [2020-10-16 13:53:03,945 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:53:03,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-10-16 13:53:03,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62e7f90bb/8bce0605e02b48fdaf2a39b0065c584b/FLAGf9547b45b [2020-10-16 13:53:04,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62e7f90bb/8bce0605e02b48fdaf2a39b0065c584b [2020-10-16 13:53:04,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:53:04,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:53:04,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:53:04,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:53:04,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:53:04,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:53:04" (1/1) ... [2020-10-16 13:53:04,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b1fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:04, skipping insertion in model container [2020-10-16 13:53:04,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:53:04" (1/1) ... [2020-10-16 13:53:04,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:53:04,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:53:05,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:53:05,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:53:05,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:53:05,534 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:53:05,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05 WrapperNode [2020-10-16 13:53:05,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:53:05,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:53:05,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:53:05,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:53:05,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:53:05,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:53:05,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:53:05,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:53:05,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... [2020-10-16 13:53:05,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:53:05,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:53:05,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:53:05,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:53:05,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:53:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:53:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 13:53:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 13:53:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:53:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:53:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 13:53:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 13:53:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:53:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:53:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 13:53:05,785 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:53:06,423 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:53:06,424 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 13:53:06,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:53:06 BoogieIcfgContainer [2020-10-16 13:53:06,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:53:06,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:53:06,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:53:06,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:53:06,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:53:04" (1/3) ... [2020-10-16 13:53:06,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131fcfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:53:06, skipping insertion in model container [2020-10-16 13:53:06,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:05" (2/3) ... [2020-10-16 13:53:06,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131fcfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:53:06, skipping insertion in model container [2020-10-16 13:53:06,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:53:06" (3/3) ... [2020-10-16 13:53:06,435 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-10-16 13:53:06,446 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:53:06,446 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:53:06,454 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 13:53:06,455 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:53:06,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,493 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,493 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,493 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,498 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,498 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,499 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,499 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,499 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,504 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,504 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,504 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,504 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,505 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,511 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,511 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,511 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,513 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,513 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:06,524 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 13:53:06,538 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 13:53:06,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:53:06,559 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:53:06,559 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:53:06,559 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:53:06,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:53:06,560 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:53:06,560 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:53:06,560 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:53:06,575 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:53:06,576 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 148 transitions, 318 flow [2020-10-16 13:53:06,579 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 148 transitions, 318 flow [2020-10-16 13:53:06,580 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 148 transitions, 318 flow [2020-10-16 13:53:06,652 INFO L129 PetriNetUnfolder]: 11/186 cut-off events. [2020-10-16 13:53:06,653 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 13:53:06,658 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 11/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2020-10-16 13:53:06,662 INFO L117 LiptonReduction]: Number of co-enabled transitions 1980 [2020-10-16 13:53:07,324 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:07,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:07,350 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:07,364 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:07,366 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:07,366 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 13:53:08,554 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:08,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:08,579 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:08,591 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:08,592 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:08,593 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 13:53:09,422 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:09,440 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:09,444 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:09,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:09,462 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:09,463 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-16 13:53:10,136 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-10-16 13:53:10,908 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-16 13:53:11,095 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 13:53:11,603 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-16 13:53:11,817 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 13:53:12,875 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 138 [2020-10-16 13:53:12,898 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:13,360 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-16 13:53:13,361 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:13,371 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:13,760 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 13:53:13,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:13,762 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 13:53:13,763 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:267, output treesize:279 [2020-10-16 13:53:14,152 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 13:53:14,162 INFO L132 LiptonReduction]: Checked pairs total: 4147 [2020-10-16 13:53:14,162 INFO L134 LiptonReduction]: Total number of compositions: 165 [2020-10-16 13:53:14,169 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 34 transitions, 90 flow [2020-10-16 13:53:14,190 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 192 states. [2020-10-16 13:53:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-16 13:53:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-16 13:53:14,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:14,199 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-16 13:53:14,200 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:14,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:14,205 INFO L82 PathProgramCache]: Analyzing trace with hash 544, now seen corresponding path program 1 times [2020-10-16 13:53:14,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:14,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064169147] [2020-10-16 13:53:14,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:14,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064169147] [2020-10-16 13:53:14,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:14,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 13:53:14,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1469282022] [2020-10-16 13:53:14,470 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:14,472 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:14,479 INFO L258 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-16 13:53:14,480 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:14,483 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:14,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 13:53:14,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:14,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 13:53:14,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:53:14,500 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-10-16 13:53:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:14,545 INFO L93 Difference]: Finished difference Result 190 states and 416 transitions. [2020-10-16 13:53:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 13:53:14,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-16 13:53:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:14,558 INFO L225 Difference]: With dead ends: 190 [2020-10-16 13:53:14,558 INFO L226 Difference]: Without dead ends: 172 [2020-10-16 13:53:14,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:53:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-16 13:53:14,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-16 13:53:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-16 13:53:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 374 transitions. [2020-10-16 13:53:14,617 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 374 transitions. Word has length 1 [2020-10-16 13:53:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:14,617 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 374 transitions. [2020-10-16 13:53:14,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 13:53:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 374 transitions. [2020-10-16 13:53:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 13:53:14,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:14,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 13:53:14,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:53:14,619 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:14,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash 16594450, now seen corresponding path program 1 times [2020-10-16 13:53:14,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:14,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417749554] [2020-10-16 13:53:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:14,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417749554] [2020-10-16 13:53:14,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:14,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:14,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [523778834] [2020-10-16 13:53:14,851 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:14,852 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:14,853 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-16 13:53:14,854 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:14,854 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:14,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:14,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:14,856 INFO L87 Difference]: Start difference. First operand 172 states and 374 transitions. Second operand 3 states. [2020-10-16 13:53:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:14,957 INFO L93 Difference]: Finished difference Result 230 states and 503 transitions. [2020-10-16 13:53:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:14,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-16 13:53:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:14,963 INFO L225 Difference]: With dead ends: 230 [2020-10-16 13:53:14,963 INFO L226 Difference]: Without dead ends: 230 [2020-10-16 13:53:14,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-16 13:53:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 200. [2020-10-16 13:53:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-16 13:53:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 444 transitions. [2020-10-16 13:53:14,989 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 444 transitions. Word has length 4 [2020-10-16 13:53:14,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:14,989 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 444 transitions. [2020-10-16 13:53:14,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 444 transitions. [2020-10-16 13:53:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 13:53:14,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:14,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 13:53:14,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:53:14,991 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash 514428411, now seen corresponding path program 1 times [2020-10-16 13:53:14,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:14,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584506001] [2020-10-16 13:53:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:15,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584506001] [2020-10-16 13:53:15,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:15,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:15,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2142567413] [2020-10-16 13:53:15,068 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:15,069 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:15,070 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 13:53:15,070 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:15,071 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:15,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:15,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:15,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:15,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:15,072 INFO L87 Difference]: Start difference. First operand 200 states and 444 transitions. Second operand 3 states. [2020-10-16 13:53:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:15,162 INFO L93 Difference]: Finished difference Result 243 states and 536 transitions. [2020-10-16 13:53:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:15,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 13:53:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:15,165 INFO L225 Difference]: With dead ends: 243 [2020-10-16 13:53:15,165 INFO L226 Difference]: Without dead ends: 236 [2020-10-16 13:53:15,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:15,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-16 13:53:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 221. [2020-10-16 13:53:15,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-16 13:53:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 505 transitions. [2020-10-16 13:53:15,183 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 505 transitions. Word has length 5 [2020-10-16 13:53:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:15,184 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 505 transitions. [2020-10-16 13:53:15,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 505 transitions. [2020-10-16 13:53:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:53:15,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:15,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:15,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:53:15,186 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1038453307, now seen corresponding path program 1 times [2020-10-16 13:53:15,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:15,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29649756] [2020-10-16 13:53:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:15,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29649756] [2020-10-16 13:53:15,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:15,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:15,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [373287046] [2020-10-16 13:53:15,285 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:15,286 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:15,288 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:53:15,288 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:15,289 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:15,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:15,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:15,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:15,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:15,291 INFO L87 Difference]: Start difference. First operand 221 states and 505 transitions. Second operand 3 states. [2020-10-16 13:53:15,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:15,308 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-10-16 13:53:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:15,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:53:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:15,309 INFO L225 Difference]: With dead ends: 86 [2020-10-16 13:53:15,309 INFO L226 Difference]: Without dead ends: 86 [2020-10-16 13:53:15,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-16 13:53:15,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-16 13:53:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-16 13:53:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-10-16 13:53:15,319 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-10-16 13:53:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:15,319 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-10-16 13:53:15,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-10-16 13:53:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:15,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:15,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:15,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:53:15,324 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:15,325 INFO L82 PathProgramCache]: Analyzing trace with hash 82727147, now seen corresponding path program 1 times [2020-10-16 13:53:15,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:15,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800129780] [2020-10-16 13:53:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:15,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800129780] [2020-10-16 13:53:15,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:15,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 13:53:15,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1640219370] [2020-10-16 13:53:15,706 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:15,712 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:15,722 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 24 transitions. [2020-10-16 13:53:15,722 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:15,747 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:15,750 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:15,755 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:15,786 INFO L625 ElimStorePlain]: treesize reduction 91, result has 20.2 percent of original size [2020-10-16 13:53:15,787 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_86| vanished before elimination [2020-10-16 13:53:15,787 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:53:15,787 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:53:15,787 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-10-16 13:53:15,788 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:174, output treesize:23 [2020-10-16 13:53:15,792 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:15,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 13:53:15,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:15,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 13:53:15,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 13:53:15,793 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 7 states. [2020-10-16 13:53:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:16,076 INFO L93 Difference]: Finished difference Result 145 states and 268 transitions. [2020-10-16 13:53:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 13:53:16,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-16 13:53:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:16,077 INFO L225 Difference]: With dead ends: 145 [2020-10-16 13:53:16,078 INFO L226 Difference]: Without dead ends: 145 [2020-10-16 13:53:16,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-16 13:53:16,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-16 13:53:16,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 103. [2020-10-16 13:53:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-16 13:53:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 191 transitions. [2020-10-16 13:53:16,093 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 191 transitions. Word has length 18 [2020-10-16 13:53:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:16,093 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 191 transitions. [2020-10-16 13:53:16,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 13:53:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 191 transitions. [2020-10-16 13:53:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:16,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:16,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:16,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:53:16,096 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:16,097 INFO L82 PathProgramCache]: Analyzing trace with hash 82727169, now seen corresponding path program 1 times [2020-10-16 13:53:16,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:16,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130402987] [2020-10-16 13:53:16,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:16,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130402987] [2020-10-16 13:53:16,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:16,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 13:53:16,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [450651359] [2020-10-16 13:53:16,821 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:16,826 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:16,832 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 24 transitions. [2020-10-16 13:53:16,833 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:16,845 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:16,848 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:16,851 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:16,853 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:16,884 INFO L625 ElimStorePlain]: treesize reduction 133, result has 13.1 percent of original size [2020-10-16 13:53:16,885 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_87| vanished before elimination [2020-10-16 13:53:16,885 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:53:16,885 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:53:16,885 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:53:16,886 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:233, output treesize:20 [2020-10-16 13:53:16,888 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:16,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 13:53:16,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:16,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 13:53:16,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 13:53:16,890 INFO L87 Difference]: Start difference. First operand 103 states and 191 transitions. Second operand 12 states. [2020-10-16 13:53:17,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:17,629 INFO L93 Difference]: Finished difference Result 157 states and 266 transitions. [2020-10-16 13:53:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 13:53:17,629 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 13:53:17,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:17,631 INFO L225 Difference]: With dead ends: 157 [2020-10-16 13:53:17,631 INFO L226 Difference]: Without dead ends: 136 [2020-10-16 13:53:17,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-16 13:53:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-16 13:53:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 103. [2020-10-16 13:53:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-16 13:53:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 190 transitions. [2020-10-16 13:53:17,636 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 190 transitions. Word has length 18 [2020-10-16 13:53:17,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:17,637 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 190 transitions. [2020-10-16 13:53:17,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 13:53:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2020-10-16 13:53:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:17,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:17,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:17,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:53:17,639 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:17,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555757, now seen corresponding path program 2 times [2020-10-16 13:53:17,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:17,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551927077] [2020-10-16 13:53:17,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551927077] [2020-10-16 13:53:18,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 13:53:18,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [688407910] [2020-10-16 13:53:18,118 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,122 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,135 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 24 transitions. [2020-10-16 13:53:18,136 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,155 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:18,158 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:18,161 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:18,197 INFO L625 ElimStorePlain]: treesize reduction 92, result has 22.7 percent of original size [2020-10-16 13:53:18,197 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_88| vanished before elimination [2020-10-16 13:53:18,197 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:53:18,198 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:53:18,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-10-16 13:53:18,198 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:179, output treesize:27 [2020-10-16 13:53:18,200 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 13:53:18,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 13:53:18,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-16 13:53:18,201 INFO L87 Difference]: Start difference. First operand 103 states and 190 transitions. Second operand 10 states. [2020-10-16 13:53:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,748 INFO L93 Difference]: Finished difference Result 176 states and 300 transitions. [2020-10-16 13:53:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 13:53:18,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-10-16 13:53:18,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,751 INFO L225 Difference]: With dead ends: 176 [2020-10-16 13:53:18,751 INFO L226 Difference]: Without dead ends: 176 [2020-10-16 13:53:18,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2020-10-16 13:53:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-16 13:53:18,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 123. [2020-10-16 13:53:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-16 13:53:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 227 transitions. [2020-10-16 13:53:18,757 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 227 transitions. Word has length 18 [2020-10-16 13:53:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,757 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 227 transitions. [2020-10-16 13:53:18,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 13:53:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2020-10-16 13:53:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:18,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:53:18,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555779, now seen corresponding path program 2 times [2020-10-16 13:53:18,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458525752] [2020-10-16 13:53:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:19,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458525752] [2020-10-16 13:53:19,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:19,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 13:53:19,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1760661321] [2020-10-16 13:53:19,371 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:19,375 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:19,381 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 24 transitions. [2020-10-16 13:53:19,381 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:19,395 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:19,396 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:19,397 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:19,399 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:19,462 INFO L625 ElimStorePlain]: treesize reduction 134, result has 13.5 percent of original size [2020-10-16 13:53:19,463 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:53:19,463 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:53:19,463 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_89| vanished before elimination [2020-10-16 13:53:19,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:53:19,464 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:235, output treesize:21 [2020-10-16 13:53:19,466 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:19,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 13:53:19,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:19,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 13:53:19,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 13:53:19,467 INFO L87 Difference]: Start difference. First operand 123 states and 227 transitions. Second operand 12 states. [2020-10-16 13:53:20,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:20,086 INFO L93 Difference]: Finished difference Result 174 states and 298 transitions. [2020-10-16 13:53:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 13:53:20,087 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 13:53:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:20,088 INFO L225 Difference]: With dead ends: 174 [2020-10-16 13:53:20,088 INFO L226 Difference]: Without dead ends: 163 [2020-10-16 13:53:20,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-16 13:53:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-16 13:53:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 127. [2020-10-16 13:53:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-16 13:53:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 233 transitions. [2020-10-16 13:53:20,094 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 233 transitions. Word has length 18 [2020-10-16 13:53:20,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:20,094 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 233 transitions. [2020-10-16 13:53:20,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 13:53:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 233 transitions. [2020-10-16 13:53:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:20,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:20,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:20,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 13:53:20,096 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:20,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:20,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1342972915, now seen corresponding path program 3 times [2020-10-16 13:53:20,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:20,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009823051] [2020-10-16 13:53:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:20,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009823051] [2020-10-16 13:53:20,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:20,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 13:53:20,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [714181398] [2020-10-16 13:53:20,678 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:20,681 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:20,689 INFO L258 McrAutomatonBuilder]: Finished intersection with 24 states and 28 transitions. [2020-10-16 13:53:20,689 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:20,714 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,714 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,720 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,720 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,726 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,726 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,732 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,732 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:20,764 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_90| vanished before elimination [2020-10-16 13:53:20,769 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,770 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,774 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,775 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,782 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,785 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:53:20,786 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:20,796 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:20,797 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_90| vanished before elimination [2020-10-16 13:53:20,797 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-10-16 13:53:20,797 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:214, output treesize:50 [2020-10-16 13:53:21,031 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [4302#(and (or (and (<= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))) (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (<= |my_callbackThread1of1ForFork1_#t~mem30| 1))) (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (<= 1 |my_callbackThread1of1ForFork1_#t~mem30|)) (and (<= 2 (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28))) (not (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))))), 4303#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= my_callbackThread1of1ForFork1_~data~0.offset |ULTIMATE.start_main_~#data~1.offset|) (<= 1 (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)))) (<= 2 (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)))) (or (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= my_callbackThread1of1ForFork1_~data~0.offset |ULTIMATE.start_main_~#data~1.offset|) (<= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1)) (and (<= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)) (not (= my_callbackThread1of1ForFork1_~data~0.offset |ULTIMATE.start_main_~#data~1.offset|)))))), 4304#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= my_callbackThread1of1ForFork1_~data~0.offset |ULTIMATE.start_main_~#data~1.offset|) (<= 1 (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28))) (<= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| my_callbackThread1of1ForFork1_~data~0.base)))] [2020-10-16 13:53:21,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-16 13:53:21,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:21,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-16 13:53:21,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-16 13:53:21,033 INFO L87 Difference]: Start difference. First operand 127 states and 233 transitions. Second operand 15 states. [2020-10-16 13:53:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:21,949 INFO L93 Difference]: Finished difference Result 180 states and 308 transitions. [2020-10-16 13:53:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 13:53:21,949 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2020-10-16 13:53:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:21,951 INFO L225 Difference]: With dead ends: 180 [2020-10-16 13:53:21,951 INFO L226 Difference]: Without dead ends: 155 [2020-10-16 13:53:21,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2020-10-16 13:53:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-16 13:53:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 119. [2020-10-16 13:53:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-16 13:53:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 218 transitions. [2020-10-16 13:53:21,956 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 218 transitions. Word has length 18 [2020-10-16 13:53:21,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:21,956 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 218 transitions. [2020-10-16 13:53:21,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-16 13:53:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2020-10-16 13:53:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:21,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:21,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:21,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 13:53:21,959 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:21,959 INFO L82 PathProgramCache]: Analyzing trace with hash -285831053, now seen corresponding path program 4 times [2020-10-16 13:53:21,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:21,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479512312] [2020-10-16 13:53:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:22,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479512312] [2020-10-16 13:53:22,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:22,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 13:53:22,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1904602325] [2020-10-16 13:53:22,399 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:22,401 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:22,407 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 24 transitions. [2020-10-16 13:53:22,407 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:22,424 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-16 13:53:22,425 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:22,429 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-16 13:53:22,429 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:22,430 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-16 13:53:22,430 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:22,434 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-16 13:53:22,434 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:53:22,444 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:53:22,445 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_91| vanished before elimination [2020-10-16 13:53:22,445 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:53:22,445 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_91| vanished before elimination [2020-10-16 13:53:22,445 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:53:22,446 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:233, output treesize:20 [2020-10-16 13:53:22,450 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:22,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 13:53:22,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:22,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 13:53:22,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-16 13:53:22,451 INFO L87 Difference]: Start difference. First operand 119 states and 218 transitions. Second operand 11 states. [2020-10-16 13:53:22,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:22,955 INFO L93 Difference]: Finished difference Result 173 states and 306 transitions. [2020-10-16 13:53:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 13:53:22,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 13:53:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:22,957 INFO L225 Difference]: With dead ends: 173 [2020-10-16 13:53:22,957 INFO L226 Difference]: Without dead ends: 152 [2020-10-16 13:53:22,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-16 13:53:22,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-16 13:53:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 123. [2020-10-16 13:53:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-16 13:53:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 224 transitions. [2020-10-16 13:53:22,962 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 224 transitions. Word has length 18 [2020-10-16 13:53:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:22,963 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 224 transitions. [2020-10-16 13:53:22,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 13:53:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2020-10-16 13:53:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:53:22,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:22,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:22,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 13:53:22,964 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash 311067339, now seen corresponding path program 5 times [2020-10-16 13:53:22,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:22,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070762121] [2020-10-16 13:53:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:53:23,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:53:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:53:23,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:53:23,056 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:53:23,056 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:53:23,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 13:53:23,057 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:53:23,057 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:53:23,058 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:53:23,063 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [497] [497] L1706-->L1708-2: Formula: (let ((.cse1 (select |#memory_int_In778545411| ULTIMATE.start_my_drv_probe_~data.base_In778545411))) (and (let ((.cse0 (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out778545411| 0))) (or (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out778545411| 0) (not .cse0)) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out778545411| 1) .cse0))) (= (select .cse1 (+ ULTIMATE.start_my_drv_probe_~data.offset_In778545411 24)) 0) (= ULTIMATE.start_ldv_assert_~expression_Out778545411 1) (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out778545411| (select .cse1 (+ ULTIMATE.start_my_drv_probe_~data.offset_In778545411 28))))) InVars {ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In778545411, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In778545411, #memory_int=|#memory_int_In778545411|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem31=|ULTIMATE.start_my_drv_probe_#t~mem31_Out778545411|, ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out778545411|, ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In778545411, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In778545411, #memory_int=|#memory_int_In778545411|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out778545411|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out778545411} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem31, ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 13:53:23,063 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L1708-2-->L1709-1: Formula: (and (<= |ULTIMATE.start_my_drv_probe_#t~nondet33_In-732730196| 2147483647) (= ULTIMATE.start_ldv_assert_~expression_Out-732730196 |ULTIMATE.start_ldv_assert_#in~expression_In-732730196|) (not (= ULTIMATE.start_ldv_assert_~expression_Out-732730196 0)) (<= 0 (+ |ULTIMATE.start_my_drv_probe_#t~nondet33_In-732730196| 2147483648))) InVars {ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In-732730196|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-732730196|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out-732730196|, ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In-732730196|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-732730196|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-732730196} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 13:53:23,069 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [498] [498] L1721-3-->L1741-2: Formula: (let ((.cse0 (select |#memory_int_In-1312016827| |ULTIMATE.start_main_~#data~1.base_In-1312016827|))) (and (= (select .cse0 (+ |ULTIMATE.start_main_~#data~1.offset_In-1312016827| 24)) 1) (= ULTIMATE.start_ldv_assert_~expression_Out-1312016827 1) (= |ULTIMATE.start_main_#t~mem43_Out-1312016827| (select .cse0 (+ |ULTIMATE.start_main_~#data~1.offset_In-1312016827| 28))) (let ((.cse1 (= |ULTIMATE.start_main_#t~mem43_Out-1312016827| 2))) (or (and .cse1 (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1312016827| 1)) (and (not .cse1) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1312016827| 0)))))) InVars {#memory_int=|#memory_int_In-1312016827|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In-1312016827|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In-1312016827|} OutVars{ULTIMATE.start_main_#t~mem43=|ULTIMATE.start_main_#t~mem43_Out-1312016827|, ULTIMATE.start_my_drv_disconnect_~#status~0.offset=|ULTIMATE.start_my_drv_disconnect_~#status~0.offset_Out-1312016827|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_Out-1312016827|, ULTIMATE.start_main_#t~mem42=|ULTIMATE.start_main_#t~mem42_Out-1312016827|, #memory_int=|#memory_int_In-1312016827|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In-1312016827|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-1312016827|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In-1312016827|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1312016827} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem43, ULTIMATE.start_my_drv_disconnect_~#status~0.offset, ULTIMATE.start_my_drv_disconnect_~#status~0.base, ULTIMATE.start_main_#t~mem42, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 13:53:23,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:53:23 BasicIcfg [2020-10-16 13:53:23,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:53:23,115 INFO L168 Benchmark]: Toolchain (without parser) took 18890.43 ms. Allocated memory was 140.0 MB in the beginning and 391.6 MB in the end (delta: 251.7 MB). Free memory was 99.3 MB in the beginning and 93.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 257.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,115 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.15 ms. Allocated memory was 140.0 MB in the beginning and 237.5 MB in the end (delta: 97.5 MB). Free memory was 98.8 MB in the beginning and 167.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.14 ms. Allocated memory is still 237.5 MB. Free memory was 167.9 MB in the beginning and 164.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,117 INFO L168 Benchmark]: Boogie Preprocessor took 50.15 ms. Allocated memory is still 237.5 MB. Free memory was 164.5 MB in the beginning and 162.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,118 INFO L168 Benchmark]: RCFGBuilder took 726.92 ms. Allocated memory is still 237.5 MB. Free memory was 162.7 MB in the beginning and 115.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,119 INFO L168 Benchmark]: TraceAbstraction took 16685.89 ms. Allocated memory was 237.5 MB in the beginning and 391.6 MB in the end (delta: 154.1 MB). Free memory was 115.1 MB in the beginning and 93.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 175.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:23,122 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1309.15 ms. Allocated memory was 140.0 MB in the beginning and 237.5 MB in the end (delta: 97.5 MB). Free memory was 98.8 MB in the beginning and 167.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.14 ms. Allocated memory is still 237.5 MB. Free memory was 167.9 MB in the beginning and 164.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.15 ms. Allocated memory is still 237.5 MB. Free memory was 164.5 MB in the beginning and 162.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 726.92 ms. Allocated memory is still 237.5 MB. Free memory was 162.7 MB in the beginning and 115.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16685.89 ms. Allocated memory was 237.5 MB in the beginning and 391.6 MB in the end (delta: 154.1 MB). Free memory was 115.1 MB in the beginning and 93.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 175.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1057 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 36 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.5s, 144 PlacesBefore, 36 PlacesAfterwards, 148 TransitionsBefore, 34 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 7 FixpointIterations, 86 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 165 TotalNumberOfCompositions, 4147 MoverChecksTotal - 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; [L1695] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 1 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 2 data->shared.b = data->shared.b + 1 [L1701] 2 return 0; [L1700] 1 data->shared.b = data->shared.b + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 127 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 245 SDtfs, 267 SDslu, 761 SDs, 0 SdLazy, 1881 SolverSat, 161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 274 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 45920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...