/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:01:10,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:01:10,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:01:10,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:01:10,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:01:10,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:01:10,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:01:10,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:01:10,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:01:10,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:01:10,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:01:10,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:01:10,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:01:10,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:01:10,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:01:10,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:01:10,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:01:10,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:01:10,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:01:10,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:01:10,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:01:10,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:01:10,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:01:10,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:01:10,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:01:10,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:01:10,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:01:10,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:01:10,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:01:10,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:01:10,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:01:10,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:01:10,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:01:10,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:01:10,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:01:10,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:01:10,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:01:10,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:01:10,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:01:10,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:01:10,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:01:10,603 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-VariableLbe-McrStrategy.epf [2020-04-18 16:01:10,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:01:10,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:01:10,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:01:10,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:01:10,627 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:01:10,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:01:10,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:01:10,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:01:10,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:01:10,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:01:10,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:01:10,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:01:10,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:01:10,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:01:10,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:01:10,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:01:10,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:01:10,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:01:10,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:01:10,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:01:10,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:01:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:01:10,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:01:10,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:01:10,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:01:10,632 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:01:10,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:01:10,633 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 16:01:10,633 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:01:10,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:01:10,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:01:10,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:01:10,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:01:10,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:01:10,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:01:10,962 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:01:10,963 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-04-18 16:01:11,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502dfc452/1d166737ee344c17b939b6477b71ec8b/FLAG38935483e [2020-04-18 16:01:11,470 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:01:11,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-04-18 16:01:11,471 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 16:01:11,471 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 16:01:11,471 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 16:01:11,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502dfc452/1d166737ee344c17b939b6477b71ec8b/FLAG38935483e [2020-04-18 16:01:11,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502dfc452/1d166737ee344c17b939b6477b71ec8b [2020-04-18 16:01:11,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:01:11,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:01:11,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:01:11,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:01:11,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:01:11,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:01:11" (1/1) ... [2020-04-18 16:01:11,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510ae6c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:11, skipping insertion in model container [2020-04-18 16:01:11,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:01:11" (1/1) ... [2020-04-18 16:01:11,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:01:11,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:01:12,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:01:12,199 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:01:12,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:01:12,223 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:01:12,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12 WrapperNode [2020-04-18 16:01:12,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:01:12,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:01:12,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:01:12,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:01:12,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:01:12,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:01:12,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:01:12,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:01:12,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (1/1) ... [2020-04-18 16:01:12,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:01:12,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:01:12,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:01:12,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:01:12,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (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 [2020-04-18 16:01:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:01:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:01:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:01:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 16:01:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:01:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2020-04-18 16:01:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2020-04-18 16:01:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:01:12,339 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:01:12,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:01:12,656 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-04-18 16:01:12,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:01:12 BoogieIcfgContainer [2020-04-18 16:01:12,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:01:12,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:01:12,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:01:12,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:01:12,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:01:11" (1/3) ... [2020-04-18 16:01:12,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2516e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:01:12, skipping insertion in model container [2020-04-18 16:01:12,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:12" (2/3) ... [2020-04-18 16:01:12,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2516e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:01:12, skipping insertion in model container [2020-04-18 16:01:12,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:01:12" (3/3) ... [2020-04-18 16:01:12,670 INFO L109 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2020-04-18 16:01:12,680 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:01:12,681 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:01:12,689 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 16:01:12,690 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:01:12,728 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,729 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,729 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,729 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,729 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,730 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,730 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,730 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,731 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,731 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,731 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,732 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,732 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,732 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,732 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,732 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,733 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,733 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,733 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,733 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,734 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,740 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,741 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,741 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,741 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,742 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,742 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,743 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,744 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,745 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,745 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,745 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,745 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:12,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 16:01:12,787 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:01:12,788 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:01:12,788 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:01:12,788 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:01:12,788 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:01:12,788 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:01:12,788 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:01:12,789 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:01:12,803 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions, 120 flow [2020-04-18 16:01:12,805 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-04-18 16:01:12,846 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-04-18 16:01:12,846 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-04-18 16:01:12,850 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-04-18 16:01:12,853 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-04-18 16:01:12,874 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-04-18 16:01:12,874 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-04-18 16:01:12,875 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-04-18 16:01:12,876 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 600 [2020-04-18 16:01:12,878 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 16:01:13,889 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 16:01:14,115 INFO L206 etLargeBlockEncoding]: Checked pairs total: 475 [2020-04-18 16:01:14,115 INFO L214 etLargeBlockEncoding]: Total number of compositions: 51 [2020-04-18 16:01:14,119 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 10 transitions, 28 flow [2020-04-18 16:01:14,128 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-04-18 16:01:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 16:01:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 16:01:14,135 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:14,136 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-18 16:01:14,136 INFO L427 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:14,142 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2020-04-18 16:01:14,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:14,150 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [964269424] [2020-04-18 16:01:14,165 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:14,175 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 16:01:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-04-18 16:01:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 16:01:14,178 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:14,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:14,178 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 2 times [2020-04-18 16:01:14,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:14,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389456092] [2020-04-18 16:01:14,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:14,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389456092] [2020-04-18 16:01:14,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:01:14,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 16:01:14,338 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:14,339 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:14,340 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 16:01:14,340 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:14,347 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:01:14,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:01:14,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:14,352 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-04-18 16:01:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:14,355 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-04-18 16:01:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2020-04-18 16:01:14,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:01:14,356 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [964269424] [2020-04-18 16:01:14,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:01:14,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1 [2020-04-18 16:01:14,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [964269424] [2020-04-18 16:01:14,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:01:14,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:01:14,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:01:14,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:14,362 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-04-18 16:01:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:14,370 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2020-04-18 16:01:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:01:14,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-04-18 16:01:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:01:14,378 INFO L225 Difference]: With dead ends: 16 [2020-04-18 16:01:14,378 INFO L226 Difference]: Without dead ends: 11 [2020-04-18 16:01:14,380 INFO L678 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 [2020-04-18 16:01:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-04-18 16:01:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-04-18 16:01:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-04-18 16:01:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-04-18 16:01:14,406 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-04-18 16:01:14,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:01:14,407 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-04-18 16:01:14,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:01:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-04-18 16:01:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 16:01:14,408 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:14,408 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-18 16:01:14,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:14,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:14,408 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2020-04-18 16:01:14,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:14,409 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [983552230] [2020-04-18 16:01:14,409 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:14,410 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 16:01:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 16:01:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 16:01:14,411 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:14,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:14,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 2 times [2020-04-18 16:01:14,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:14,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474380567] [2020-04-18 16:01:14,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:14,483 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:01:14,484 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:01:14,484 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:01:14,486 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:01:14,486 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 16:01:14,496 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,496 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,496 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,496 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,497 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,498 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,498 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,498 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,498 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,499 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,499 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,500 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,500 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,500 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,501 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,501 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,501 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,501 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,504 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,504 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,504 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,505 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,506 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,507 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,507 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,507 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,509 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,509 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,509 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,509 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,510 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,510 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,510 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,510 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,511 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,511 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,511 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,511 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,511 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,512 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,512 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,512 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,513 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,513 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,513 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,514 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,514 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,514 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,514 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,514 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,515 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,515 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,515 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,515 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,525 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,526 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,526 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,526 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,526 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,527 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,527 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,527 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,527 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,528 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,528 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,529 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:14,533 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 16:01:14,533 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:01:14,533 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:01:14,534 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:01:14,534 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:01:14,534 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:01:14,534 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:01:14,534 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:01:14,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:01:14,541 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions, 174 flow [2020-04-18 16:01:14,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-04-18 16:01:14,596 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-04-18 16:01:14,597 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-04-18 16:01:14,599 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2020-04-18 16:01:14,604 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-04-18 16:01:14,638 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-04-18 16:01:14,639 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-04-18 16:01:14,640 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2020-04-18 16:01:14,646 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2760 [2020-04-18 16:01:14,647 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 16:01:15,323 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-04-18 16:01:15,510 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6323 [2020-04-18 16:01:15,510 INFO L214 etLargeBlockEncoding]: Total number of compositions: 47 [2020-04-18 16:01:15,510 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 86 flow [2020-04-18 16:01:15,563 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2020-04-18 16:01:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2020-04-18 16:01:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 16:01:15,566 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:15,566 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-04-18 16:01:15,566 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash 2108723477, now seen corresponding path program 1 times [2020-04-18 16:01:15,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:15,567 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [351351608] [2020-04-18 16:01:15,568 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:15,568 INFO L259 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-04-18 16:01:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-04-18 16:01:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 16:01:15,570 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:15,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2108723477, now seen corresponding path program 2 times [2020-04-18 16:01:15,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:15,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153172301] [2020-04-18 16:01:15,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:15,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:01:15,640 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:01:15,640 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:01:15,640 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:01:15,642 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 16:01:15,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,657 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,657 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,657 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,661 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,661 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,661 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,662 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,676 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,676 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,676 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,676 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,677 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,678 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,679 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,679 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,679 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,680 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,681 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,681 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,682 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,684 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,684 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,685 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,685 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,685 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,685 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,685 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,686 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,687 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,692 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,693 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,693 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,693 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,693 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,694 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,694 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,694 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,695 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,696 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,696 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:15,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 16:01:15,704 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:01:15,704 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:01:15,704 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:01:15,704 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:01:15,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:01:15,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:01:15,704 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:01:15,704 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:01:15,708 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions, 230 flow [2020-04-18 16:01:15,708 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-04-18 16:01:15,735 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-04-18 16:01:15,735 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-04-18 16:01:15,736 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 503 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2020-04-18 16:01:15,743 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-04-18 16:01:15,766 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-04-18 16:01:15,766 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-04-18 16:01:15,767 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 503 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2020-04-18 16:01:15,773 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5520 [2020-04-18 16:01:15,774 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 16:01:16,551 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 16:01:16,617 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12959 [2020-04-18 16:01:16,617 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-04-18 16:01:16,617 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 47 transitions, 124 flow [2020-04-18 16:01:17,442 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2020-04-18 16:01:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2020-04-18 16:01:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 16:01:17,446 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:17,446 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:01:17,446 INFO L427 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:17,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2074725494, now seen corresponding path program 1 times [2020-04-18 16:01:17,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:17,447 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1330078402] [2020-04-18 16:01:17,447 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:17,448 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 16:01:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-04-18 16:01:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 16:01:17,449 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:17,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:17,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2074725494, now seen corresponding path program 2 times [2020-04-18 16:01:17,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:17,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880461954] [2020-04-18 16:01:17,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:17,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880461954] [2020-04-18 16:01:17,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:01:17,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:01:17,504 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:17,505 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:17,509 INFO L259 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-04-18 16:01:17,509 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:17,535 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:01:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 16:01:17,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:01:17,535 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 5 states. [2020-04-18 16:01:17,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:17,549 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-04-18 16:01:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-04-18 16:01:17,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:01:17,550 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1330078402] [2020-04-18 16:01:17,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:01:17,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:01:17,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1330078402] [2020-04-18 16:01:17,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 16:01:17,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:01:17,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 16:01:17,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:01:17,551 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2020-04-18 16:01:17,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:17,841 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2020-04-18 16:01:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 16:01:17,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-04-18 16:01:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:01:17,995 INFO L225 Difference]: With dead ends: 16053 [2020-04-18 16:01:17,995 INFO L226 Difference]: Without dead ends: 15826 [2020-04-18 16:01:17,996 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:01:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2020-04-18 16:01:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2020-04-18 16:01:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2020-04-18 16:01:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2020-04-18 16:01:18,877 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2020-04-18 16:01:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:01:18,877 INFO L479 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2020-04-18 16:01:18,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 16:01:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2020-04-18 16:01:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 16:01:18,885 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:18,886 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-04-18 16:01:18,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash -694215649, now seen corresponding path program 1 times [2020-04-18 16:01:18,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:18,887 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1079654850] [2020-04-18 16:01:18,887 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:18,889 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-04-18 16:01:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-04-18 16:01:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 16:01:18,890 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:18,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:18,890 INFO L82 PathProgramCache]: Analyzing trace with hash -694215649, now seen corresponding path program 2 times [2020-04-18 16:01:18,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:18,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374150715] [2020-04-18 16:01:18,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:19,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374150715] [2020-04-18 16:01:19,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442175739] [2020-04-18 16:01:19,118 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 16:01:19,758 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-18 16:01:19,759 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-18 16:01:19,761 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjunts are in the unsatisfiable core [2020-04-18 16:01:19,763 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-18 16:01:19,828 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:19,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2020-04-18 16:01:19,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 16:01:19,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 16:01:19,836 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,891 INFO L619 ElimStorePlain]: treesize reduction 85, result has 22.0 percent of original size [2020-04-18 16:01:19,897 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-04-18 16:01:19,898 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,904 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:19,905 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,906 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2020-04-18 16:01:19,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 16:01:19,916 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-04-18 16:01:19,917 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,923 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:19,923 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,923 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:19 [2020-04-18 16:01:19,942 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 16:01:19,942 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,948 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:19,948 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,949 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-04-18 16:01:19,975 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-18 16:01:19,976 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,982 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:19,983 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 16:01:19,983 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2020-04-18 16:01:19,994 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 16:01:19,995 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:20,002 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:20,002 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-04-18 16:01:20,003 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-04-18 16:01:20,033 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-04-18 16:01:20,034 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:20,040 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:20,042 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 16:01:20,042 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-04-18 16:01:20,073 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2020-04-18 16:01:20,074 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 16:01:20,080 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 16:01:20,081 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-18 16:01:20,081 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2020-04-18 16:01:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:20,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-18 16:01:20,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2020-04-18 16:01:20,103 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:20,105 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:20,106 INFO L259 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-04-18 16:01:20,107 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:20,221 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:01:20,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 16:01:20,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-04-18 16:01:20,222 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 11 states. [2020-04-18 16:01:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:20,338 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-04-18 16:01:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-04-18 16:01:20,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:01:20,338 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1079654850] [2020-04-18 16:01:20,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:01:20,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 16:01:20,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1079654850] [2020-04-18 16:01:20,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-18 16:01:20,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:01:20,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-18 16:01:20,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-04-18 16:01:20,340 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 11 states. [2020-04-18 16:01:20,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:20,596 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2020-04-18 16:01:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 16:01:20,596 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-04-18 16:01:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:01:20,635 INFO L225 Difference]: With dead ends: 9897 [2020-04-18 16:01:20,635 INFO L226 Difference]: Without dead ends: 9786 [2020-04-18 16:01:20,636 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-04-18 16:01:20,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2020-04-18 16:01:21,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2020-04-18 16:01:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2020-04-18 16:01:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2020-04-18 16:01:21,087 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2020-04-18 16:01:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:01:21,088 INFO L479 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2020-04-18 16:01:21,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-18 16:01:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2020-04-18 16:01:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-04-18 16:01:21,091 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:21,091 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:01:21,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 16:01:21,296 INFO L427 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 16:01:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:21,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1598600700, now seen corresponding path program 1 times [2020-04-18 16:01:21,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:21,297 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1099969795] [2020-04-18 16:01:21,298 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:21,300 INFO L259 McrAutomatonBuilder]: Finished intersection with 80 states and 139 transitions. [2020-04-18 16:01:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-04-18 16:01:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-04-18 16:01:21,301 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:21,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:21,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1598600700, now seen corresponding path program 2 times [2020-04-18 16:01:21,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:21,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772064597] [2020-04-18 16:01:21,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:21,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:01:21,342 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:01:21,342 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:01:21,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:01:21 BasicIcfg [2020-04-18 16:01:21,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:01:21,408 INFO L168 Benchmark]: Toolchain (without parser) took 9516.31 ms. Allocated memory was 138.4 MB in the beginning and 503.3 MB in the end (delta: 364.9 MB). Free memory was 101.0 MB in the beginning and 294.9 MB in the end (delta: -193.9 MB). Peak memory consumption was 171.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,409 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.82 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 180.6 MB in the end (delta: -81.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 178.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,411 INFO L168 Benchmark]: Boogie Preprocessor took 23.02 ms. Allocated memory is still 202.9 MB. Free memory was 178.6 MB in the beginning and 176.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,411 INFO L168 Benchmark]: RCFGBuilder took 383.49 ms. Allocated memory is still 202.9 MB. Free memory was 176.8 MB in the beginning and 159.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,414 INFO L168 Benchmark]: TraceAbstraction took 8742.28 ms. Allocated memory was 202.9 MB in the beginning and 503.3 MB in the end (delta: 300.4 MB). Free memory was 158.7 MB in the beginning and 294.9 MB in the end (delta: -136.1 MB). Peak memory consumption was 164.3 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:21,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.82 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 180.6 MB in the end (delta: -81.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 178.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.02 ms. Allocated memory is still 202.9 MB. Free memory was 178.6 MB in the beginning and 176.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.49 ms. Allocated memory is still 202.9 MB. Free memory was 176.8 MB in the beginning and 159.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8742.28 ms. Allocated memory was 202.9 MB in the beginning and 503.3 MB in the end (delta: 300.4 MB). Free memory was 158.7 MB in the beginning and 294.9 MB in the end (delta: -136.1 MB). Peak memory consumption was 164.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 58 ProgramPointsBefore, 13 ProgramPointsAfterwards, 56 TransitionsBefore, 10 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 309 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 475 CheckedPairsTotal, 51 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 81 ProgramPointsBefore, 38 ProgramPointsAfterwards, 78 TransitionsBefore, 34 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 1229 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6323 CheckedPairsTotal, 47 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 104 ProgramPointsBefore, 52 ProgramPointsAfterwards, 100 TransitionsBefore, 47 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 2487 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 12959 CheckedPairsTotal, 58 TotalNumberOfCompositions - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; [L21] 0 static int s = 0; [L30] 0 int i; [L31] 0 pthread_t tid; [L34] 0 i = 0 VAL [g=0, s=0] [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={3:0}] [L20] 1 int *myid = (int *)vargp; [L22] 1 ++s [L22] 1 ++g VAL [g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L34] EXPR 0 \read(i) [L34] 0 i++ [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [\read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L20] 2 int *myid = (int *)vargp; [L22] 2 ++s VAL [++s=2, \read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L24] 1 ++s VAL [++s=2, ++s=2, \read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L22] 2 ++s VAL [++s=2, \read(*myid)=0, g=1, myid={3:0}, s=2, vargp={3:0}, vargp={3:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=0, g=1, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L24] 1 ++g VAL [++g=2, ++s=2, \read(*myid)=0, g=2, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [g=2, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 137 SDtfs, 317 SDslu, 501 SDs, 0 SdLazy, 177 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13894occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...