/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:01:01,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:01:01,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:01:01,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:01:01,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:01:01,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:01:01,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:01:01,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:01:01,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:01:01,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:01:01,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:01:01,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:01:01,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:01:01,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:01:01,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:01:01,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:01:01,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:01:01,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:01:01,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:01:01,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:01:01,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:01:01,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:01:01,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:01:01,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:01:01,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-15 13:01:01,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-15 13:01:01,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-15 13:01:01,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-15 13:01:01,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-15 13:01:01,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-15 13:01:01,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 13:01:01,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 13:01:01,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 13:01:01,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 13:01:01,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 13:01:01,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 13:01:01,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 13:01:01,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 13:01:01,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:01:01,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:01:01,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:01:01,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-15 13:01:01,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:01:01,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:01:01,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:01:01,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:01:01,893 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:01:01,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:01:01,893 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:01:01,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:01:01,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:01:01,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:01:01,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:01:01,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:01:01,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:01:01,896 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:01:01,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:01:01,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:01:01,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:01:01,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:01:01,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:01:01,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:01:01,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:01:01,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:01:01,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:01:01,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:01:01,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:01:01,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:01:01,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:01:01,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:01:01,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:01:02,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:01:02,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:01:02,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:01:02,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:01:02,421 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:01:02,423 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-09-15 13:01:02,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd51f214/d763e931dbd44884b01d3eb9910fb16e/FLAGd62958380 [2020-09-15 13:01:03,271 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:01:03,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-09-15 13:01:03,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd51f214/d763e931dbd44884b01d3eb9910fb16e/FLAGd62958380 [2020-09-15 13:01:03,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd51f214/d763e931dbd44884b01d3eb9910fb16e [2020-09-15 13:01:03,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:01:03,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:01:03,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:01:03,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:01:03,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:01:03,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:01:03" (1/1) ... [2020-09-15 13:01:03,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a52987c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:03, skipping insertion in model container [2020-09-15 13:01:03,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:01:03" (1/1) ... [2020-09-15 13:01:03,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:01:03,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:01:04,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:01:04,426 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:01:04,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:01:05,124 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:01:05,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05 WrapperNode [2020-09-15 13:01:05,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:01:05,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:01:05,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:01:05,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:01:05,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:01:05,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:01:05,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:01:05,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:01:05,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... [2020-09-15 13:01:05,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:01:05,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:01:05,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:01:05,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:01:05,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:01:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:01:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 13:01:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 13:01:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-15 13:01:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:01:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:01:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-09-15 13:01:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-09-15 13:01:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:01:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:01:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 13:01:05,493 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 13:01:06,339 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:01:06,348 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-15 13:01:06,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:01:06 BoogieIcfgContainer [2020-09-15 13:01:06,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:01:06,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:01:06,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:01:06,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:01:06,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:01:03" (1/3) ... [2020-09-15 13:01:06,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ea972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:01:06, skipping insertion in model container [2020-09-15 13:01:06,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:01:05" (2/3) ... [2020-09-15 13:01:06,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ea972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:01:06, skipping insertion in model container [2020-09-15 13:01:06,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:01:06" (3/3) ... [2020-09-15 13:01:06,370 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-09-15 13:01:06,383 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:01:06,383 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:01:06,397 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-09-15 13:01:06,398 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:01:06,457 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,458 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,463 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,463 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,469 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,471 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,472 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,472 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,472 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,472 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,473 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,477 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,477 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,480 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,480 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,480 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,481 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,481 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,481 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,481 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,481 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,482 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,482 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,486 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,487 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,489 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,498 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,499 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:01:06,534 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-15 13:01:06,565 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:01:06,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:01:06,566 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:01:06,566 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:01:06,566 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:01:06,566 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:01:06,566 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:01:06,567 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:01:06,589 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-09-15 13:01:06,592 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-15 13:01:06,732 INFO L129 PetriNetUnfolder]: 11/195 cut-off events. [2020-09-15 13:01:06,733 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 13:01:06,741 INFO L80 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 195 events. 11/195 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-09-15 13:01:06,750 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-09-15 13:01:06,829 INFO L129 PetriNetUnfolder]: 11/195 cut-off events. [2020-09-15 13:01:06,830 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 13:01:06,832 INFO L80 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 195 events. 11/195 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-09-15 13:01:06,839 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4004 [2020-09-15 13:01:06,841 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:01:08,796 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:08,840 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:08,846 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:08,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:08,878 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:08,878 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:86 [2020-09-15 13:01:09,463 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:09,482 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:09,487 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:09,502 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:09,503 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:09,506 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-09-15 13:01:10,371 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-09-15 13:01:10,518 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-09-15 13:01:10,706 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-15 13:01:10,835 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-09-15 13:01:11,244 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-09-15 13:01:11,272 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:11,450 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:01:11,451 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:11,467 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:01:11,633 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-15 13:01:11,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:01:11,636 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. [2020-09-15 13:01:11,636 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:187, output treesize:199 [2020-09-15 13:01:11,792 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-09-15 13:01:12,508 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-09-15 13:01:12,764 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-15 13:01:13,576 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-09-15 13:01:13,946 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-15 13:01:14,959 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-15 13:01:15,394 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-15 13:01:15,982 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-09-15 13:01:16,271 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-15 13:01:16,286 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7500 [2020-09-15 13:01:16,286 INFO L214 etLargeBlockEncoding]: Total number of compositions: 159 [2020-09-15 13:01:16,291 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 41 transitions, 104 flow [2020-09-15 13:01:16,326 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 566 states. [2020-09-15 13:01:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-09-15 13:01:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-15 13:01:16,337 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:16,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-15 13:01:16,338 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:16,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:16,345 INFO L82 PathProgramCache]: Analyzing trace with hash 17219854, now seen corresponding path program 1 times [2020-09-15 13:01:16,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:16,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152881843] [2020-09-15 13:01:16,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:16,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152881843] [2020-09-15 13:01:16,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:16,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:16,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850301958] [2020-09-15 13:01:16,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:16,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:16,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:16,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:16,887 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 3 states. [2020-09-15 13:01:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:17,043 INFO L93 Difference]: Finished difference Result 689 states and 1735 transitions. [2020-09-15 13:01:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:17,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-15 13:01:17,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:17,071 INFO L225 Difference]: With dead ends: 689 [2020-09-15 13:01:17,072 INFO L226 Difference]: Without dead ends: 651 [2020-09-15 13:01:17,073 INFO L675 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 [2020-09-15 13:01:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-15 13:01:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 587. [2020-09-15 13:01:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-09-15 13:01:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1469 transitions. [2020-09-15 13:01:17,174 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1469 transitions. Word has length 4 [2020-09-15 13:01:17,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:17,174 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 1469 transitions. [2020-09-15 13:01:17,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1469 transitions. [2020-09-15 13:01:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-15 13:01:17,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:17,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-15 13:01:17,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:01:17,176 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:17,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash 533814255, now seen corresponding path program 1 times [2020-09-15 13:01:17,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:17,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422945200] [2020-09-15 13:01:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:17,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422945200] [2020-09-15 13:01:17,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:17,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:17,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777745718] [2020-09-15 13:01:17,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:17,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:17,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:17,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:17,370 INFO L87 Difference]: Start difference. First operand 587 states and 1469 transitions. Second operand 3 states. [2020-09-15 13:01:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:17,501 INFO L93 Difference]: Finished difference Result 678 states and 1676 transitions. [2020-09-15 13:01:17,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:17,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-09-15 13:01:17,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:17,511 INFO L225 Difference]: With dead ends: 678 [2020-09-15 13:01:17,511 INFO L226 Difference]: Without dead ends: 662 [2020-09-15 13:01:17,513 INFO L675 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 [2020-09-15 13:01:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-09-15 13:01:17,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 630. [2020-09-15 13:01:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-09-15 13:01:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1591 transitions. [2020-09-15 13:01:17,565 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1591 transitions. Word has length 5 [2020-09-15 13:01:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:17,565 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 1591 transitions. [2020-09-15 13:01:17,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1591 transitions. [2020-09-15 13:01:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-15 13:01:17,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:17,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:17,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:01:17,570 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:17,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:17,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1596295839, now seen corresponding path program 1 times [2020-09-15 13:01:17,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:17,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692765491] [2020-09-15 13:01:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:17,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692765491] [2020-09-15 13:01:17,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:17,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:17,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954235099] [2020-09-15 13:01:17,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:17,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:17,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:17,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:17,771 INFO L87 Difference]: Start difference. First operand 630 states and 1591 transitions. Second operand 3 states. [2020-09-15 13:01:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:17,892 INFO L93 Difference]: Finished difference Result 830 states and 2113 transitions. [2020-09-15 13:01:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:17,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-15 13:01:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:17,901 INFO L225 Difference]: With dead ends: 830 [2020-09-15 13:01:17,902 INFO L226 Difference]: Without dead ends: 830 [2020-09-15 13:01:17,902 INFO L675 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 [2020-09-15 13:01:17,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-09-15 13:01:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 690. [2020-09-15 13:01:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-09-15 13:01:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1747 transitions. [2020-09-15 13:01:17,933 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1747 transitions. Word has length 7 [2020-09-15 13:01:17,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:17,934 INFO L479 AbstractCegarLoop]: Abstraction has 690 states and 1747 transitions. [2020-09-15 13:01:17,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1747 transitions. [2020-09-15 13:01:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 13:01:17,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:17,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:17,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:01:17,936 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:17,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:17,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2054434731, now seen corresponding path program 1 times [2020-09-15 13:01:17,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:17,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610004648] [2020-09-15 13:01:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:01:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:01:18,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610004648] [2020-09-15 13:01:18,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:01:18,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:01:18,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269885828] [2020-09-15 13:01:18,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:01:18,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:01:18,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:01:18,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:01:18,060 INFO L87 Difference]: Start difference. First operand 690 states and 1747 transitions. Second operand 3 states. [2020-09-15 13:01:18,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:01:18,146 INFO L93 Difference]: Finished difference Result 858 states and 2185 transitions. [2020-09-15 13:01:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:01:18,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-15 13:01:18,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:01:18,153 INFO L225 Difference]: With dead ends: 858 [2020-09-15 13:01:18,153 INFO L226 Difference]: Without dead ends: 858 [2020-09-15 13:01:18,153 INFO L675 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 [2020-09-15 13:01:18,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-15 13:01:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 750. [2020-09-15 13:01:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-09-15 13:01:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1935 transitions. [2020-09-15 13:01:18,181 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1935 transitions. Word has length 8 [2020-09-15 13:01:18,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:01:18,182 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 1935 transitions. [2020-09-15 13:01:18,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:01:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1935 transitions. [2020-09-15 13:01:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-15 13:01:18,183 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:01:18,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:01:18,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:01:18,184 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:01:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:01:18,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1883964846, now seen corresponding path program 1 times [2020-09-15 13:01:18,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:01:18,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659726401] [2020-09-15 13:01:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:01:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:01:18,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:01:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:01:18,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:01:18,325 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:01:18,326 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:01:18,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:01:18,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 01:01:18 BasicIcfg [2020-09-15 13:01:18,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 13:01:18,384 INFO L168 Benchmark]: Toolchain (without parser) took 14896.19 ms. Allocated memory was 141.0 MB in the beginning and 320.9 MB in the end (delta: 179.8 MB). Free memory was 99.7 MB in the beginning and 100.3 MB in the end (delta: -624.3 kB). Peak memory consumption was 179.2 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,385 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1633.42 ms. Allocated memory was 141.0 MB in the beginning and 238.0 MB in the end (delta: 97.0 MB). Free memory was 99.1 MB in the beginning and 168.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.57 ms. Allocated memory is still 238.0 MB. Free memory was 168.8 MB in the beginning and 165.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,388 INFO L168 Benchmark]: Boogie Preprocessor took 99.88 ms. Allocated memory is still 238.0 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,389 INFO L168 Benchmark]: RCFGBuilder took 959.62 ms. Allocated memory is still 238.0 MB. Free memory was 163.0 MB in the beginning and 113.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,389 INFO L168 Benchmark]: TraceAbstraction took 12027.01 ms. Allocated memory was 238.0 MB in the beginning and 320.9 MB in the end (delta: 82.8 MB). Free memory was 113.1 MB in the beginning and 100.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2020-09-15 13:01:18,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1633.42 ms. Allocated memory was 141.0 MB in the beginning and 238.0 MB in the end (delta: 97.0 MB). Free memory was 99.1 MB in the beginning and 168.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 165.57 ms. Allocated memory is still 238.0 MB. Free memory was 168.8 MB in the beginning and 165.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.88 ms. Allocated memory is still 238.0 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 959.62 ms. Allocated memory is still 238.0 MB. Free memory was 163.0 MB in the beginning and 113.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12027.01 ms. Allocated memory was 238.0 MB in the beginning and 320.9 MB in the end (delta: 82.8 MB). Free memory was 113.1 MB in the beginning and 100.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 9.6s, 153 ProgramPointsBefore, 43 ProgramPointsAfterwards, 157 TransitionsBefore, 41 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 20 ConcurrentYvCompositions, 6 ChoiceCompositions, 2109 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7500 CheckedPairsTotal, 159 TotalNumberOfCompositions - 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; [L1731] 0 return 0; [L1737] 0 int ret = my_drv_init(); [L1738] COND TRUE 0 ret==0 [L1739] 0 int probe_ret; [L1740] 0 struct my_data data; [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, 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) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1715] 0 data->shared.a = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, pthread_mutex_lock (&data->lock)=0, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1717] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 142 SDtfs, 38 SDslu, 40 SDs, 0 SdLazy, 157 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 344 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...