/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 22:32:09,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 22:32:09,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 22:32:10,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 22:32:10,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 22:32:10,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 22:32:10,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 22:32:10,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 22:32:10,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 22:32:10,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 22:32:10,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 22:32:10,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 22:32:10,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 22:32:10,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 22:32:10,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 22:32:10,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 22:32:10,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 22:32:10,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 22:32:10,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 22:32:10,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 22:32:10,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 22:32:10,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 22:32:10,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 22:32:10,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 22:32:10,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 22:32:10,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 22:32:10,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 22:32:10,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 22:32:10,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 22:32:10,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 22:32:10,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 22:32:10,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 22:32:10,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 22:32:10,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 22:32:10,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 22:32:10,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 22:32:10,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 22:32:10,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 22:32:10,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 22:32:10,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 22:32:10,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 22:32:10,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 22:32:10,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 22:32:10,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 22:32:10,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 22:32:10,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 22:32:10,154 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 22:32:10,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 22:32:10,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 22:32:10,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 22:32:10,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 22:32:10,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 22:32:10,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 22:32:10,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 22:32:10,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 22:32:10,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 22:32:10,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 22:32:10,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 22:32:10,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 22:32:10,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 22:32:10,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 22:32:10,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 22:32:10,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 22:32:10,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:32:10,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 22:32:10,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 22:32:10,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 22:32:10,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 22:32:10,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 22:32:10,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 22:32:10,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 22:32:10,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 22:32:10,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 22:32:10,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 22:32:10,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 22:32:10,460 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 22:32:10,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-15 22:32:10,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1710c0e5/6ea2f3d761174fb89e3163e3ba9f0914/FLAGceafd2115 [2020-10-15 22:32:11,166 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 22:32:11,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-15 22:32:11,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1710c0e5/6ea2f3d761174fb89e3163e3ba9f0914/FLAGceafd2115 [2020-10-15 22:32:11,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1710c0e5/6ea2f3d761174fb89e3163e3ba9f0914 [2020-10-15 22:32:11,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 22:32:11,381 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 22:32:11,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 22:32:11,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 22:32:11,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 22:32:11,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:32:11" (1/1) ... [2020-10-15 22:32:11,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5981645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:11, skipping insertion in model container [2020-10-15 22:32:11,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:32:11" (1/1) ... [2020-10-15 22:32:11,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 22:32:11,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 22:32:12,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:32:12,239 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 22:32:12,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:32:12,721 INFO L208 MainTranslator]: Completed translation [2020-10-15 22:32:12,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12 WrapperNode [2020-10-15 22:32:12,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 22:32:12,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 22:32:12,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 22:32:12,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 22:32:12,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 22:32:12,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 22:32:12,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 22:32:12,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 22:32:12,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... [2020-10-15 22:32:12,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 22:32:12,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 22:32:12,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 22:32:12,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 22:32:12,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:32:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 22:32:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 22:32:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 22:32:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 22:32:12,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 22:32:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-15 22:32:12,945 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-15 22:32:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 22:32:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 22:32:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 22:32:12,950 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 22:32:13,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 22:32:13,578 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-15 22:32:13,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:32:13 BoogieIcfgContainer [2020-10-15 22:32:13,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 22:32:13,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 22:32:13,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 22:32:13,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 22:32:13,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:32:11" (1/3) ... [2020-10-15 22:32:13,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a88dd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:32:13, skipping insertion in model container [2020-10-15 22:32:13,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:12" (2/3) ... [2020-10-15 22:32:13,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a88dd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:32:13, skipping insertion in model container [2020-10-15 22:32:13,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:32:13" (3/3) ... [2020-10-15 22:32:13,589 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-10-15 22:32:13,601 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 22:32:13,601 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 22:32:13,608 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-15 22:32:13,609 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 22:32:13,637 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,637 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,638 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,638 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,638 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,638 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,638 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,639 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,639 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,639 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,639 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,639 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,641 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,642 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,642 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,642 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,642 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,642 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,643 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,643 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,643 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,643 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,644 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,645 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,645 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,645 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,645 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,645 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,647 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,647 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,648 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,648 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,648 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,652 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,663 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,663 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,663 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,664 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,664 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,664 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,664 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,664 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,665 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,665 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,665 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:32:13,692 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 22:32:13,714 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:32:13,714 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:32:13,714 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:32:13,715 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:32:13,715 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:32:13,715 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:32:13,715 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:32:13,715 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:32:13,731 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:32:13,734 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 131 transitions, 284 flow [2020-10-15 22:32:13,737 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 131 transitions, 284 flow [2020-10-15 22:32:13,739 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 129 places, 131 transitions, 284 flow [2020-10-15 22:32:13,805 INFO L129 PetriNetUnfolder]: 9/169 cut-off events. [2020-10-15 22:32:13,806 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 22:32:13,812 INFO L80 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 169 events. 9/169 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 347 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 86. Up to 4 conditions per place. [2020-10-15 22:32:13,816 INFO L117 LiptonReduction]: Number of co-enabled transitions 2200 [2020-10-15 22:32:14,429 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,458 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,472 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,473 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,474 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-15 22:32:14,501 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,529 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,534 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,555 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,556 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-15 22:32:14,570 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,593 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,598 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,619 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:14,620 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:14,621 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-15 22:32:16,713 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:16,741 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,771 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:16,772 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,773 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-15 22:32:16,787 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,815 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:16,819 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:16,844 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:16,845 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:32:19,058 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:19,088 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,108 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:19,109 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,109 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-15 22:32:19,122 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,147 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:19,152 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:19,172 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:19,173 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:32:21,233 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,256 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:21,264 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:21,285 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,286 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:32:21,308 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,333 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:21,337 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:21,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:21,364 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:32:23,463 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:23,504 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,531 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:23,533 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,533 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-15 22:32:23,551 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,592 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:23,597 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,629 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:23,630 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:23,630 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-15 22:32:25,678 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:25,712 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,738 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:25,740 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,740 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-15 22:32:25,758 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:25,794 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,815 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:25,817 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:25,817 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2020-10-15 22:32:26,334 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:26,367 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,391 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:26,392 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,393 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:32:26,405 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,468 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:26,473 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:26,495 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:26,495 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-15 22:32:28,702 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,741 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:28,746 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:28,780 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,781 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:128 [2020-10-15 22:32:28,795 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:28,836 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:28,878 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:28,878 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-15 22:32:31,349 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,380 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,399 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,400 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-15 22:32:31,437 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,462 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,482 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,483 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,483 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:32:31,495 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,529 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,550 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:31,551 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:31,551 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:32:33,581 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,606 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:33,615 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:33,644 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,645 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2020-10-15 22:32:33,654 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,683 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:33,687 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:33,712 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:33,712 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-15 22:32:35,733 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,770 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:35,775 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,806 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:35,807 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,807 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2020-10-15 22:32:35,827 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,863 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:35,868 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,899 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:35,900 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:35,900 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2020-10-15 22:32:38,131 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,164 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:38,169 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,192 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:38,193 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,193 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-15 22:32:38,208 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,241 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:38,245 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:38,266 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:38,267 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:32:40,762 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-10-15 22:32:40,781 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:40,870 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:40,876 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:40,960 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:40,961 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. [2020-10-15 22:32:40,961 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-15 22:32:41,134 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:41,177 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:41,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,212 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-10-15 22:32:41,229 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,264 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:41,268 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,304 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:41,305 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:41,305 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-10-15 22:32:43,728 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,783 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:43,787 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:43,833 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,834 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-15 22:32:43,849 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,913 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:43,917 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:32:43,970 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:32:43,970 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-15 22:32:46,196 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-15 22:32:46,625 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-15 22:32:47,102 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 22:32:47,461 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 22:32:47,663 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 22:32:47,865 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 22:32:48,072 INFO L132 LiptonReduction]: Checked pairs total: 4067 [2020-10-15 22:32:48,073 INFO L134 LiptonReduction]: Total number of compositions: 138 [2020-10-15 22:32:48,080 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 86 flow [2020-10-15 22:32:48,099 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 190 states. [2020-10-15 22:32:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-10-15 22:32:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 22:32:48,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:48,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 22:32:48,110 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:48,118 INFO L82 PathProgramCache]: Analyzing trace with hash 14364445, now seen corresponding path program 1 times [2020-10-15 22:32:48,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:48,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605427256] [2020-10-15 22:32:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:48,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605427256] [2020-10-15 22:32:48,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:48,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:32:48,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696331581] [2020-10-15 22:32:48,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:32:48,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:48,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:32:48,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:32:48,675 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2020-10-15 22:32:48,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:48,805 INFO L93 Difference]: Finished difference Result 248 states and 560 transitions. [2020-10-15 22:32:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:32:48,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-15 22:32:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:48,823 INFO L225 Difference]: With dead ends: 248 [2020-10-15 22:32:48,823 INFO L226 Difference]: Without dead ends: 230 [2020-10-15 22:32:48,824 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 [2020-10-15 22:32:48,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-15 22:32:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 200. [2020-10-15 22:32:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-15 22:32:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 444 transitions. [2020-10-15 22:32:48,888 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 444 transitions. Word has length 4 [2020-10-15 22:32:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:48,888 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 444 transitions. [2020-10-15 22:32:48,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:32:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 444 transitions. [2020-10-15 22:32:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:32:48,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:48,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:32:48,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 22:32:48,890 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:48,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:48,890 INFO L82 PathProgramCache]: Analyzing trace with hash 445298819, now seen corresponding path program 1 times [2020-10-15 22:32:48,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:48,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571727106] [2020-10-15 22:32:48,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:48,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571727106] [2020-10-15 22:32:48,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:48,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:32:48,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946480423] [2020-10-15 22:32:48,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:32:48,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:48,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:32:48,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:32:48,955 INFO L87 Difference]: Start difference. First operand 200 states and 444 transitions. Second operand 3 states. [2020-10-15 22:32:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:49,052 INFO L93 Difference]: Finished difference Result 243 states and 536 transitions. [2020-10-15 22:32:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:32:49,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 22:32:49,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:49,055 INFO L225 Difference]: With dead ends: 243 [2020-10-15 22:32:49,055 INFO L226 Difference]: Without dead ends: 236 [2020-10-15 22:32:49,056 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 [2020-10-15 22:32:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-15 22:32:49,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 221. [2020-10-15 22:32:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-15 22:32:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 505 transitions. [2020-10-15 22:32:49,076 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 505 transitions. Word has length 5 [2020-10-15 22:32:49,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:49,076 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 505 transitions. [2020-10-15 22:32:49,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:32:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 505 transitions. [2020-10-15 22:32:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 22:32:49,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:49,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:49,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 22:32:49,079 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:49,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:49,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1770707455, now seen corresponding path program 1 times [2020-10-15 22:32:49,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:49,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922910976] [2020-10-15 22:32:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:49,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922910976] [2020-10-15 22:32:49,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:49,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:32:49,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29528687] [2020-10-15 22:32:49,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:32:49,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:49,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:32:49,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:32:49,165 INFO L87 Difference]: Start difference. First operand 221 states and 505 transitions. Second operand 3 states. [2020-10-15 22:32:49,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:49,182 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-10-15 22:32:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:32:49,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-15 22:32:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:49,184 INFO L225 Difference]: With dead ends: 86 [2020-10-15 22:32:49,184 INFO L226 Difference]: Without dead ends: 86 [2020-10-15 22:32:49,184 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 [2020-10-15 22:32:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-15 22:32:49,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-15 22:32:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-15 22:32:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-10-15 22:32:49,194 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-10-15 22:32:49,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:49,194 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-10-15 22:32:49,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:32:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-10-15 22:32:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:49,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:49,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:49,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 22:32:49,196 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:49,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1268591532, now seen corresponding path program 1 times [2020-10-15 22:32:49,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:49,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820240267] [2020-10-15 22:32:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:49,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820240267] [2020-10-15 22:32:49,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:49,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:49,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25080147] [2020-10-15 22:32:49,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 22:32:49,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:49,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 22:32:49,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-15 22:32:49,647 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 13 states. [2020-10-15 22:32:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:50,673 INFO L93 Difference]: Finished difference Result 86 states and 166 transitions. [2020-10-15 22:32:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 22:32:50,674 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 18 [2020-10-15 22:32:50,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:50,675 INFO L225 Difference]: With dead ends: 86 [2020-10-15 22:32:50,675 INFO L226 Difference]: Without dead ends: 74 [2020-10-15 22:32:50,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=237, Invalid=465, Unknown=0, NotChecked=0, Total=702 [2020-10-15 22:32:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-15 22:32:50,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-15 22:32:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-15 22:32:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 145 transitions. [2020-10-15 22:32:50,681 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 145 transitions. Word has length 18 [2020-10-15 22:32:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:50,681 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 145 transitions. [2020-10-15 22:32:50,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 22:32:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2020-10-15 22:32:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:50,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:50,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:50,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 22:32:50,683 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:50,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:50,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1297219722, now seen corresponding path program 1 times [2020-10-15 22:32:50,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:50,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079107190] [2020-10-15 22:32:50,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:51,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079107190] [2020-10-15 22:32:51,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:51,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 22:32:51,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098728961] [2020-10-15 22:32:51,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 22:32:51,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:51,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 22:32:51,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 22:32:51,012 INFO L87 Difference]: Start difference. First operand 74 states and 145 transitions. Second operand 8 states. [2020-10-15 22:32:51,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:51,316 INFO L93 Difference]: Finished difference Result 117 states and 209 transitions. [2020-10-15 22:32:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 22:32:51,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-15 22:32:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:51,318 INFO L225 Difference]: With dead ends: 117 [2020-10-15 22:32:51,318 INFO L226 Difference]: Without dead ends: 117 [2020-10-15 22:32:51,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 22:32:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-15 22:32:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 94. [2020-10-15 22:32:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-15 22:32:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 175 transitions. [2020-10-15 22:32:51,324 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 175 transitions. Word has length 18 [2020-10-15 22:32:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:51,324 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 175 transitions. [2020-10-15 22:32:51,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 22:32:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 175 transitions. [2020-10-15 22:32:51,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:51,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:51,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:51,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 22:32:51,326 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:51,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:51,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1297219740, now seen corresponding path program 1 times [2020-10-15 22:32:51,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:51,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024750445] [2020-10-15 22:32:51,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:52,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024750445] [2020-10-15 22:32:52,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:52,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:52,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430448473] [2020-10-15 22:32:52,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:32:52,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:52,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:32:52,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:32:52,194 INFO L87 Difference]: Start difference. First operand 94 states and 175 transitions. Second operand 14 states. [2020-10-15 22:32:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:53,139 INFO L93 Difference]: Finished difference Result 153 states and 271 transitions. [2020-10-15 22:32:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 22:32:53,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:32:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:53,141 INFO L225 Difference]: With dead ends: 153 [2020-10-15 22:32:53,141 INFO L226 Difference]: Without dead ends: 145 [2020-10-15 22:32:53,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2020-10-15 22:32:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-15 22:32:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 100. [2020-10-15 22:32:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-15 22:32:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 185 transitions. [2020-10-15 22:32:53,147 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 185 transitions. Word has length 18 [2020-10-15 22:32:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:53,147 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 185 transitions. [2020-10-15 22:32:53,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:32:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 185 transitions. [2020-10-15 22:32:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:53,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:53,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:53,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 22:32:53,149 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:53,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1046484834, now seen corresponding path program 2 times [2020-10-15 22:32:53,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:53,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501854170] [2020-10-15 22:32:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:53,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501854170] [2020-10-15 22:32:53,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:53,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:53,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418985238] [2020-10-15 22:32:53,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:32:53,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:53,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:32:53,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:32:53,884 INFO L87 Difference]: Start difference. First operand 100 states and 185 transitions. Second operand 14 states. [2020-10-15 22:32:55,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:55,027 INFO L93 Difference]: Finished difference Result 155 states and 274 transitions. [2020-10-15 22:32:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 22:32:55,027 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:32:55,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:55,029 INFO L225 Difference]: With dead ends: 155 [2020-10-15 22:32:55,029 INFO L226 Difference]: Without dead ends: 143 [2020-10-15 22:32:55,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-15 22:32:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-15 22:32:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 98. [2020-10-15 22:32:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-15 22:32:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 181 transitions. [2020-10-15 22:32:55,035 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 181 transitions. Word has length 18 [2020-10-15 22:32:55,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:55,035 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 181 transitions. [2020-10-15 22:32:55,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:32:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2020-10-15 22:32:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:55,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:55,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:55,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 22:32:55,037 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:55,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1347055900, now seen corresponding path program 3 times [2020-10-15 22:32:55,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:55,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302475876] [2020-10-15 22:32:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:55,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302475876] [2020-10-15 22:32:55,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:55,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:55,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863282648] [2020-10-15 22:32:55,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:32:55,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:55,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:32:55,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:32:55,840 INFO L87 Difference]: Start difference. First operand 98 states and 181 transitions. Second operand 14 states. [2020-10-15 22:32:56,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:56,840 INFO L93 Difference]: Finished difference Result 139 states and 253 transitions. [2020-10-15 22:32:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 22:32:56,841 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:32:56,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:56,843 INFO L225 Difference]: With dead ends: 139 [2020-10-15 22:32:56,843 INFO L226 Difference]: Without dead ends: 123 [2020-10-15 22:32:56,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-15 22:32:56,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-15 22:32:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 96. [2020-10-15 22:32:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-15 22:32:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 177 transitions. [2020-10-15 22:32:56,850 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 177 transitions. Word has length 18 [2020-10-15 22:32:56,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:56,850 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 177 transitions. [2020-10-15 22:32:56,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:32:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 177 transitions. [2020-10-15 22:32:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:56,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:56,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:56,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 22:32:56,853 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:56,853 INFO L82 PathProgramCache]: Analyzing trace with hash 646402192, now seen corresponding path program 2 times [2020-10-15 22:32:56,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:56,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927045516] [2020-10-15 22:32:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:57,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927045516] [2020-10-15 22:32:57,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:57,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 22:32:57,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497524697] [2020-10-15 22:32:57,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 22:32:57,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:57,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 22:32:57,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 22:32:57,089 INFO L87 Difference]: Start difference. First operand 96 states and 177 transitions. Second operand 8 states. [2020-10-15 22:32:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:57,432 INFO L93 Difference]: Finished difference Result 119 states and 212 transitions. [2020-10-15 22:32:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 22:32:57,433 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-15 22:32:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:57,435 INFO L225 Difference]: With dead ends: 119 [2020-10-15 22:32:57,435 INFO L226 Difference]: Without dead ends: 119 [2020-10-15 22:32:57,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-15 22:32:57,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-15 22:32:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2020-10-15 22:32:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-15 22:32:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 177 transitions. [2020-10-15 22:32:57,441 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 177 transitions. Word has length 18 [2020-10-15 22:32:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:57,441 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 177 transitions. [2020-10-15 22:32:57,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 22:32:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 177 transitions. [2020-10-15 22:32:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:57,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:57,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:57,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 22:32:57,443 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:57,443 INFO L82 PathProgramCache]: Analyzing trace with hash 646402210, now seen corresponding path program 4 times [2020-10-15 22:32:57,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:57,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295123023] [2020-10-15 22:32:57,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:58,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295123023] [2020-10-15 22:32:58,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:58,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:58,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531283731] [2020-10-15 22:32:58,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:32:58,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:32:58,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:32:58,204 INFO L87 Difference]: Start difference. First operand 96 states and 177 transitions. Second operand 14 states. [2020-10-15 22:32:59,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:32:59,225 INFO L93 Difference]: Finished difference Result 135 states and 244 transitions. [2020-10-15 22:32:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 22:32:59,226 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:32:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:32:59,228 INFO L225 Difference]: With dead ends: 135 [2020-10-15 22:32:59,228 INFO L226 Difference]: Without dead ends: 113 [2020-10-15 22:32:59,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-15 22:32:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-15 22:32:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 92. [2020-10-15 22:32:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-15 22:32:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 171 transitions. [2020-10-15 22:32:59,232 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 171 transitions. Word has length 18 [2020-10-15 22:32:59,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:32:59,233 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 171 transitions. [2020-10-15 22:32:59,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:32:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 171 transitions. [2020-10-15 22:32:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:32:59,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:32:59,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:32:59,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 22:32:59,234 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:32:59,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:32:59,234 INFO L82 PathProgramCache]: Analyzing trace with hash -318962108, now seen corresponding path program 5 times [2020-10-15 22:32:59,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:32:59,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63998641] [2020-10-15 22:32:59,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:32:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:32:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:32:59,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63998641] [2020-10-15 22:32:59,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:32:59,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:32:59,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003579509] [2020-10-15 22:32:59,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:32:59,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:32:59,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:32:59,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:32:59,962 INFO L87 Difference]: Start difference. First operand 92 states and 171 transitions. Second operand 14 states. [2020-10-15 22:33:01,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:01,009 INFO L93 Difference]: Finished difference Result 152 states and 280 transitions. [2020-10-15 22:33:01,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 22:33:01,010 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:33:01,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:01,012 INFO L225 Difference]: With dead ends: 152 [2020-10-15 22:33:01,012 INFO L226 Difference]: Without dead ends: 144 [2020-10-15 22:33:01,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2020-10-15 22:33:01,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-15 22:33:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 100. [2020-10-15 22:33:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-15 22:33:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 187 transitions. [2020-10-15 22:33:01,017 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 187 transitions. Word has length 18 [2020-10-15 22:33:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:01,017 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 187 transitions. [2020-10-15 22:33:01,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:33:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2020-10-15 22:33:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:01,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:01,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:01,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 22:33:01,019 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:01,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:01,019 INFO L82 PathProgramCache]: Analyzing trace with hash -569697014, now seen corresponding path program 6 times [2020-10-15 22:33:01,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:01,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435706255] [2020-10-15 22:33:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:01,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435706255] [2020-10-15 22:33:01,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:01,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:33:01,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757963622] [2020-10-15 22:33:01,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:33:01,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:01,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:33:01,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:33:01,775 INFO L87 Difference]: Start difference. First operand 100 states and 187 transitions. Second operand 14 states. [2020-10-15 22:33:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:02,794 INFO L93 Difference]: Finished difference Result 154 states and 283 transitions. [2020-10-15 22:33:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 22:33:02,795 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:33:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:02,796 INFO L225 Difference]: With dead ends: 154 [2020-10-15 22:33:02,796 INFO L226 Difference]: Without dead ends: 142 [2020-10-15 22:33:02,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2020-10-15 22:33:02,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-15 22:33:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 98. [2020-10-15 22:33:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-15 22:33:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 183 transitions. [2020-10-15 22:33:02,801 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 183 transitions. Word has length 18 [2020-10-15 22:33:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:02,801 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 183 transitions. [2020-10-15 22:33:02,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:33:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2020-10-15 22:33:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:02,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:02,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:02,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 22:33:02,802 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:02,803 INFO L82 PathProgramCache]: Analyzing trace with hash -269125948, now seen corresponding path program 7 times [2020-10-15 22:33:02,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:02,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146815972] [2020-10-15 22:33:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:03,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146815972] [2020-10-15 22:33:03,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:03,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:33:03,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741862621] [2020-10-15 22:33:03,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:33:03,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:03,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:33:03,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:33:03,600 INFO L87 Difference]: Start difference. First operand 98 states and 183 transitions. Second operand 14 states. [2020-10-15 22:33:04,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:04,564 INFO L93 Difference]: Finished difference Result 149 states and 278 transitions. [2020-10-15 22:33:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 22:33:04,564 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:33:04,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:04,566 INFO L225 Difference]: With dead ends: 149 [2020-10-15 22:33:04,566 INFO L226 Difference]: Without dead ends: 133 [2020-10-15 22:33:04,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2020-10-15 22:33:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-15 22:33:04,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 96. [2020-10-15 22:33:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-15 22:33:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 179 transitions. [2020-10-15 22:33:04,571 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 179 transitions. Word has length 18 [2020-10-15 22:33:04,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:04,571 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 179 transitions. [2020-10-15 22:33:04,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:33:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2020-10-15 22:33:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:04,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:04,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:04,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 22:33:04,572 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:04,573 INFO L82 PathProgramCache]: Analyzing trace with hash -969779638, now seen corresponding path program 8 times [2020-10-15 22:33:04,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:04,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468238446] [2020-10-15 22:33:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:05,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468238446] [2020-10-15 22:33:05,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:05,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 22:33:05,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569917701] [2020-10-15 22:33:05,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 22:33:05,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 22:33:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 22:33:05,289 INFO L87 Difference]: Start difference. First operand 96 states and 179 transitions. Second operand 14 states. [2020-10-15 22:33:06,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:06,294 INFO L93 Difference]: Finished difference Result 167 states and 302 transitions. [2020-10-15 22:33:06,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 22:33:06,295 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-15 22:33:06,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:06,296 INFO L225 Difference]: With dead ends: 167 [2020-10-15 22:33:06,297 INFO L226 Difference]: Without dead ends: 147 [2020-10-15 22:33:06,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2020-10-15 22:33:06,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-15 22:33:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 94. [2020-10-15 22:33:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-15 22:33:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 175 transitions. [2020-10-15 22:33:06,302 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 175 transitions. Word has length 18 [2020-10-15 22:33:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:06,302 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 175 transitions. [2020-10-15 22:33:06,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 22:33:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 175 transitions. [2020-10-15 22:33:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:06,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:06,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:06,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 22:33:06,304 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:06,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:06,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1049440908, now seen corresponding path program 3 times [2020-10-15 22:33:06,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:06,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660985187] [2020-10-15 22:33:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:06,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660985187] [2020-10-15 22:33:06,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:06,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 22:33:06,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811146743] [2020-10-15 22:33:06,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 22:33:06,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:06,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 22:33:06,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-15 22:33:06,736 INFO L87 Difference]: Start difference. First operand 94 states and 175 transitions. Second operand 11 states. [2020-10-15 22:33:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:07,272 INFO L93 Difference]: Finished difference Result 206 states and 364 transitions. [2020-10-15 22:33:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 22:33:07,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-15 22:33:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:07,274 INFO L225 Difference]: With dead ends: 206 [2020-10-15 22:33:07,275 INFO L226 Difference]: Without dead ends: 206 [2020-10-15 22:33:07,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-15 22:33:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-15 22:33:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 116. [2020-10-15 22:33:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-15 22:33:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 229 transitions. [2020-10-15 22:33:07,281 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 229 transitions. Word has length 18 [2020-10-15 22:33:07,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:07,281 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 229 transitions. [2020-10-15 22:33:07,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 22:33:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 229 transitions. [2020-10-15 22:33:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:07,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:07,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:07,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 22:33:07,282 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:07,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:07,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1049440926, now seen corresponding path program 9 times [2020-10-15 22:33:07,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:07,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937448453] [2020-10-15 22:33:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:33:07,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:33:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:33:07,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:33:07,369 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:33:07,370 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:33:07,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 22:33:07,371 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:33:07,380 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [392] [392] L1682-->L1739: Formula: (and (not (= ULTIMATE.start_ldv_assert_~expression_Out1806895888 0)) (= ULTIMATE.start_ldv_assert_~expression_Out1806895888 |ULTIMATE.start_ldv_assert_#in~expression_In1806895888|)) InVars {ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1806895888|} OutVars{ULTIMATE.start_main_#t~mem40=|ULTIMATE.start_main_#t~mem40_Out1806895888|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1806895888|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1806895888} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem40, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-15 22:33:07,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:33:07 BasicIcfg [2020-10-15 22:33:07,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 22:33:07,429 INFO L168 Benchmark]: Toolchain (without parser) took 56048.95 ms. Allocated memory was 251.1 MB in the beginning and 600.3 MB in the end (delta: 349.2 MB). Free memory was 203.8 MB in the beginning and 395.5 MB in the end (delta: -191.7 MB). Peak memory consumption was 157.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:07,429 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:33:07,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.99 ms. Allocated memory was 251.1 MB in the beginning and 356.5 MB in the end (delta: 105.4 MB). Free memory was 203.8 MB in the beginning and 322.7 MB in the end (delta: -119.0 MB). Peak memory consumption was 109.3 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:07,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.25 ms. Allocated memory is still 356.5 MB. Free memory was 322.7 MB in the beginning and 319.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:07,431 INFO L168 Benchmark]: Boogie Preprocessor took 47.58 ms. Allocated memory is still 356.5 MB. Free memory is still 319.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:33:07,431 INFO L168 Benchmark]: RCFGBuilder took 703.16 ms. Allocated memory is still 356.5 MB. Free memory was 319.4 MB in the beginning and 272.9 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:07,432 INFO L168 Benchmark]: TraceAbstraction took 53845.47 ms. Allocated memory was 356.5 MB in the beginning and 600.3 MB in the end (delta: 243.8 MB). Free memory was 272.9 MB in the beginning and 395.5 MB in the end (delta: -122.6 MB). Peak memory consumption was 121.2 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:07,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1340.99 ms. Allocated memory was 251.1 MB in the beginning and 356.5 MB in the end (delta: 105.4 MB). Free memory was 203.8 MB in the beginning and 322.7 MB in the end (delta: -119.0 MB). Peak memory consumption was 109.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 106.25 ms. Allocated memory is still 356.5 MB. Free memory was 322.7 MB in the beginning and 319.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 47.58 ms. Allocated memory is still 356.5 MB. Free memory is still 319.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 703.16 ms. Allocated memory is still 356.5 MB. Free memory was 319.4 MB in the beginning and 272.9 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 53845.47 ms. Allocated memory was 356.5 MB in the beginning and 600.3 MB in the end (delta: 243.8 MB). Free memory was 272.9 MB in the beginning and 395.5 MB in the end (delta: -122.6 MB). Peak memory consumption was 121.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1421 VarBasedMoverChecksPositive, 58 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 13 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 28.9s, 41 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 34.3s, 129 PlacesBefore, 34 PlacesAfterwards, 131 TransitionsBefore, 32 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 6 FixpointIterations, 63 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 138 TotalNumberOfCompositions, 4067 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; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={3:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.b VAL [__mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, data->shared.b=0, dev={3:24}, t1={5:0}, t2={6:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, data->shared.b=0, dev={3:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, data->shared.b=0, dev={3:24}, t1={5:0}, t2={6:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, data->shared.b=0, dev={3:24}, t1={5:0}, t2={6:0}] [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; [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] [L1738] 0 data.shared.a [L1739] 0 data.shared.b [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={3:24}, arg={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.6s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 34.3s, HoareTripleCheckerStatistics: 269 SDtfs, 583 SDslu, 947 SDs, 0 SdLazy, 3861 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 497 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 90647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...