/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 14:44:04,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 14:44:04,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 14:44:04,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 14:44:04,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 14:44:04,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 14:44:04,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 14:44:04,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 14:44:04,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 14:44:04,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 14:44:04,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 14:44:04,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 14:44:04,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 14:44:04,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 14:44:04,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 14:44:04,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 14:44:04,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 14:44:04,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 14:44:04,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 14:44:04,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 14:44:04,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 14:44:04,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 14:44:04,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 14:44:04,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 14:44:04,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 14:44:04,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 14:44:04,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 14:44:04,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 14:44:04,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 14:44:04,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 14:44:04,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 14:44:04,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 14:44:04,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 14:44:04,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 14:44:04,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 14:44:04,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 14:44:04,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 14:44:04,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 14:44:04,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 14:44:04,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 14:44:04,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 14:44:04,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-11-09 14:44:04,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 14:44:04,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 14:44:04,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 14:44:04,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 14:44:04,626 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 14:44:04,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 14:44:04,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 14:44:04,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 14:44:04,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 14:44:04,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 14:44:04,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 14:44:04,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 14:44:04,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 14:44:04,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 14:44:04,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 14:44:04,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 14:44:04,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 14:44:04,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 14:44:04,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 14:44:04,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 14:44:04,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 14:44:04,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 14:44:04,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 14:44:04,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 14:44:04,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 14:44:04,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 14:44:04,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 14:44:04,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 14:44:04,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 14:44:05,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 14:44:05,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 14:44:05,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 14:44:05,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 14:44:05,164 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 14:44:05,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-11-09 14:44:05,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309cffb8b/bcb7ee7332ce41168c979332631ccc0d/FLAGfb4c77134 [2020-11-09 14:44:05,992 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 14:44:05,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-11-09 14:44:05,994 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-09 14:44:05,994 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-09 14:44:05,995 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-09 14:44:06,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309cffb8b/bcb7ee7332ce41168c979332631ccc0d/FLAGfb4c77134 [2020-11-09 14:44:06,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309cffb8b/bcb7ee7332ce41168c979332631ccc0d [2020-11-09 14:44:06,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 14:44:06,363 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 14:44:06,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 14:44:06,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 14:44:06,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 14:44:06,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f775de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06, skipping insertion in model container [2020-11-09 14:44:06,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 14:44:06,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 14:44:06,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:44:06,676 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 14:44:06,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:44:06,716 INFO L208 MainTranslator]: Completed translation [2020-11-09 14:44:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06 WrapperNode [2020-11-09 14:44:06,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 14:44:06,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 14:44:06,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 14:44:06,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 14:44:06,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 14:44:06,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 14:44:06,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 14:44:06,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 14:44:06,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (1/1) ... [2020-11-09 14:44:06,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 14:44:06,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 14:44:06,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 14:44:06,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 14:44:06,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (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 [2020-11-09 14:44:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 14:44:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 14:44:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 14:44:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 14:44:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 14:44:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2020-11-09 14:44:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2020-11-09 14:44:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 14:44:06,921 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 14:44:07,404 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 14:44:07,405 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-09 14:44:07,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:44:07 BoogieIcfgContainer [2020-11-09 14:44:07,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 14:44:07,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 14:44:07,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 14:44:07,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 14:44:07,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:44:06" (1/3) ... [2020-11-09 14:44:07,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216349ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:44:07, skipping insertion in model container [2020-11-09 14:44:07,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:44:06" (2/3) ... [2020-11-09 14:44:07,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216349ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:44:07, skipping insertion in model container [2020-11-09 14:44:07,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:44:07" (3/3) ... [2020-11-09 14:44:07,422 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2020-11-09 14:44:07,442 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 14:44:07,443 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 14:44:07,447 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 14:44:07,448 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 14:44:07,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,494 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,494 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,494 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,495 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,495 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,495 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,495 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,497 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,497 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,497 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,497 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,498 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,498 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,499 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,499 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,500 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,500 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,501 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,501 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,501 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,501 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,501 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,502 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,502 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,503 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,503 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,503 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,504 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,505 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,505 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,505 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,506 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,506 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,507 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,507 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,507 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,510 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,511 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,511 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,511 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,511 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,512 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,512 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,512 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,512 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,513 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,513 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,513 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:07,535 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 14:44:07,548 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 14:44:07,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:44:07,574 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:44:07,574 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:44:07,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:44:07,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:44:07,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:44:07,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:44:07,575 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:44:07,588 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:44:07,589 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions, 120 flow [2020-11-09 14:44:07,592 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 56 transitions, 120 flow [2020-11-09 14:44:07,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-11-09 14:44:07,636 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-11-09 14:44:07,636 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-11-09 14:44:07,640 INFO L84 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. [2020-11-09 14:44:07,643 INFO L116 LiptonReduction]: Number of co-enabled transitions 600 [2020-11-09 14:44:10,017 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-09 14:44:10,261 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-09 14:44:10,765 INFO L131 LiptonReduction]: Checked pairs total: 567 [2020-11-09 14:44:10,766 INFO L133 LiptonReduction]: Total number of compositions: 52 [2020-11-09 14:44:10,775 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 10 transitions, 28 flow [2020-11-09 14:44:10,785 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-11-09 14:44:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-09 14:44:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 14:44:10,794 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:10,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 14:44:10,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2020-11-09 14:44:10,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:10,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173610584] [2020-11-09 14:44:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:44:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:44:11,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173610584] [2020-11-09 14:44:11,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:44:11,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:44:11,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219638595] [2020-11-09 14:44:11,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:44:11,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:44:11,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:44:11,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:44:11,073 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-11-09 14:44:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:44:11,092 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2020-11-09 14:44:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:44:11,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 14:44:11,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:44:11,102 INFO L225 Difference]: With dead ends: 16 [2020-11-09 14:44:11,102 INFO L226 Difference]: Without dead ends: 11 [2020-11-09 14:44:11,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:44:11,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-09 14:44:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-09 14:44:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-09 14:44:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-11-09 14:44:11,135 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-11-09 14:44:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:44:11,136 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-09 14:44:11,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:44:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-11-09 14:44:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 14:44:11,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:11,137 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 14:44:11,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 14:44:11,138 INFO L429 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:11,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2020-11-09 14:44:11,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:11,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416681846] [2020-11-09 14:44:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:11,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:11,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:11,214 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:44:11,214 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:44:11,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 14:44:11,216 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:44:11,216 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 14:44:11,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,239 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,248 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,248 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,251 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,252 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,252 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,252 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,252 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,255 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,255 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,255 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,256 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,256 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,256 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,256 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,257 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,257 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,257 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,257 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,257 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,264 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,264 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,264 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,264 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,264 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,265 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,265 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,265 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,265 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:11,280 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 14:44:11,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-09 14:44:11,282 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:44:11,283 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:44:11,283 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:44:11,283 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:44:11,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:44:11,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:44:11,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:44:11,288 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:44:11,293 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:44:11,293 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions, 174 flow [2020-11-09 14:44:11,293 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 78 transitions, 174 flow [2020-11-09 14:44:11,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-11-09 14:44:11,349 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-11-09 14:44:11,349 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-11-09 14:44:11,351 INFO L84 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. [2020-11-09 14:44:11,358 INFO L116 LiptonReduction]: Number of co-enabled transitions 2760 [2020-11-09 14:44:12,639 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-09 14:44:12,793 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-09 14:44:13,094 INFO L131 LiptonReduction]: Checked pairs total: 7690 [2020-11-09 14:44:13,094 INFO L133 LiptonReduction]: Total number of compositions: 48 [2020-11-09 14:44:13,095 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 86 flow [2020-11-09 14:44:13,160 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2020-11-09 14:44:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2020-11-09 14:44:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 14:44:13,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:13,163 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 14:44:13,164 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:13,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2108723477, now seen corresponding path program 1 times [2020-11-09 14:44:13,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:13,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118429740] [2020-11-09 14:44:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:13,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:13,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:13,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:44:13,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:44:13,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 14:44:13,227 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:44:13,228 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 14:44:13,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,241 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,249 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,249 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,250 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,252 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,253 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,254 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,260 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,261 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,267 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,267 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,267 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,267 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,268 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,268 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,269 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,270 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,271 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,280 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,280 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,282 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,282 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,282 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,283 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,284 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,284 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,284 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,284 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,284 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,285 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:44:13,289 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 14:44:13,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 14:44:13,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:44:13,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:44:13,291 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:44:13,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:44:13,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:44:13,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:44:13,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:44:13,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:44:13,294 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:44:13,294 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions, 230 flow [2020-11-09 14:44:13,294 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 100 transitions, 230 flow [2020-11-09 14:44:13,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-11-09 14:44:13,335 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-11-09 14:44:13,335 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-11-09 14:44:13,337 INFO L84 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. [2020-11-09 14:44:13,346 INFO L116 LiptonReduction]: Number of co-enabled transitions 5520 [2020-11-09 14:44:14,722 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-09 14:44:14,910 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-09 14:44:14,983 INFO L131 LiptonReduction]: Checked pairs total: 15414 [2020-11-09 14:44:14,984 INFO L133 LiptonReduction]: Total number of compositions: 59 [2020-11-09 14:44:14,985 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 47 transitions, 124 flow [2020-11-09 14:44:16,081 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2020-11-09 14:44:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2020-11-09 14:44:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:44:16,088 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:16,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:44:16,089 INFO L429 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:16,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2074725494, now seen corresponding path program 1 times [2020-11-09 14:44:16,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:16,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454889719] [2020-11-09 14:44:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:44:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:44:16,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454889719] [2020-11-09 14:44:16,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:44:16,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:44:16,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042562484] [2020-11-09 14:44:16,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:44:16,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:44:16,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:44:16,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:44:16,150 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2020-11-09 14:44:16,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:44:16,525 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2020-11-09 14:44:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:44:16,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:44:16,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:44:16,808 INFO L225 Difference]: With dead ends: 16053 [2020-11-09 14:44:16,809 INFO L226 Difference]: Without dead ends: 15826 [2020-11-09 14:44:16,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:44:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2020-11-09 14:44:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2020-11-09 14:44:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2020-11-09 14:44:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2020-11-09 14:44:17,916 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2020-11-09 14:44:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:44:17,917 INFO L481 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2020-11-09 14:44:17,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:44:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2020-11-09 14:44:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:44:17,928 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:17,928 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 14:44:17,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 14:44:17,929 INFO L429 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash -694215649, now seen corresponding path program 1 times [2020-11-09 14:44:17,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:17,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265063209] [2020-11-09 14:44:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:44:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:44:18,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265063209] [2020-11-09 14:44:18,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077541922] [2020-11-09 14:44:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-11-09 14:44:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:44:18,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-09 14:44:18,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:44:18,348 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2020-11-09 14:44:18,350 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-09 14:44:18,376 INFO L625 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2020-11-09 14:44:18,383 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2020-11-09 14:44:18,383 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,389 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,395 INFO L547 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. [2020-11-09 14:44:18,396 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:12 [2020-11-09 14:44:18,407 INFO L382 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 [2020-11-09 14:44:18,408 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,415 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,415 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,415 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2020-11-09 14:44:18,440 INFO L382 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 [2020-11-09 14:44:18,441 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,450 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,450 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,451 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2020-11-09 14:44:18,479 INFO L382 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 [2020-11-09 14:44:18,480 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,488 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,489 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,489 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2020-11-09 14:44:18,499 INFO L382 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 [2020-11-09 14:44:18,500 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,508 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,509 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,509 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-11-09 14:44:18,561 INFO L382 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 [2020-11-09 14:44:18,562 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,568 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,570 INFO L547 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. [2020-11-09 14:44:18,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-11-09 14:44:18,738 INFO L382 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 [2020-11-09 14:44:18,740 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 14:44:18,746 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 14:44:18,748 INFO L547 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. [2020-11-09 14:44:18,752 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-09 14:44:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:44:18,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:44:18,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2020-11-09 14:44:18,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478635158] [2020-11-09 14:44:18,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:44:18,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:44:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:44:18,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:44:18,817 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 12 states. [2020-11-09 14:44:19,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:44:19,217 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2020-11-09 14:44:19,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 14:44:19,218 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-11-09 14:44:19,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:44:19,277 INFO L225 Difference]: With dead ends: 9897 [2020-11-09 14:44:19,278 INFO L226 Difference]: Without dead ends: 9786 [2020-11-09 14:44:19,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-11-09 14:44:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2020-11-09 14:44:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2020-11-09 14:44:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2020-11-09 14:44:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2020-11-09 14:44:19,806 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2020-11-09 14:44:19,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:44:19,808 INFO L481 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2020-11-09 14:44:19,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:44:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2020-11-09 14:44:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:44:19,812 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:44:19,813 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:44:20,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:44:20,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-11-09 14:44:20,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:44:20,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1598600700, now seen corresponding path program 1 times [2020-11-09 14:44:20,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:44:20,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886144688] [2020-11-09 14:44:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:44:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:20,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:44:20,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:44:20,135 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:44:20,135 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:44:20,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 14:44:20,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:44:20 BasicIcfg [2020-11-09 14:44:20,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 14:44:20,228 INFO L168 Benchmark]: Toolchain (without parser) took 13869.59 ms. Allocated memory was 125.8 MB in the beginning and 799.0 MB in the end (delta: 673.2 MB). Free memory was 99.6 MB in the beginning and 595.6 MB in the end (delta: -496.0 MB). Peak memory consumption was 177.6 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 100.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 14:44:20,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.89 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 90.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.49 ms. Allocated memory is still 125.8 MB. Free memory was 90.1 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,232 INFO L168 Benchmark]: Boogie Preprocessor took 47.01 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 87.9 MB in the end (delta: 953.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,233 INFO L168 Benchmark]: RCFGBuilder took 586.47 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 87.7 MB in the beginning and 142.6 MB in the end (delta: -54.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,234 INFO L168 Benchmark]: TraceAbstraction took 12815.15 ms. Allocated memory was 162.5 MB in the beginning and 799.0 MB in the end (delta: 636.5 MB). Free memory was 142.2 MB in the beginning and 595.6 MB in the end (delta: -453.4 MB). Peak memory consumption was 183.1 MB. Max. memory is 8.0 GB. [2020-11-09 14:44:20,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 100.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 351.89 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 90.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.49 ms. Allocated memory is still 125.8 MB. Free memory was 90.1 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.01 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 87.9 MB in the end (delta: 953.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 586.47 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 87.7 MB in the beginning and 142.6 MB in the end (delta: -54.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12815.15 ms. Allocated memory was 162.5 MB in the beginning and 799.0 MB in the end (delta: 636.5 MB). Free memory was 142.2 MB in the beginning and 595.6 MB in the end (delta: -453.4 MB). Peak memory consumption was 183.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 324 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 7 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 58 PlacesBefore, 13 PlacesAfterwards, 56 TransitionsBefore, 10 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 52 TotalNumberOfCompositions, 567 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1301 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 81 PlacesBefore, 38 PlacesAfterwards, 78 TransitionsBefore, 34 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, 7690 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2671 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 497 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 104 PlacesBefore, 52 PlacesAfterwards, 100 TransitionsBefore, 47 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 4 FixpointIterations, 10 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 15414 MoverChecksTotal - 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: 12.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.8s, HoareTripleCheckerStatistics: 137 SDtfs, 270 SDslu, 628 SDs, 0 SdLazy, 205 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s 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: 1.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 43 ConstructedInterpolants, 4 QuantifiedInterpolants, 6423 SizeOfPredicates, 6 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 7/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...