/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:53,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:53,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:53,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:53,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:53,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:53,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:53,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:53,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:53,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:53,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:53,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:53,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:53,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:53,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:53,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:53,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:53,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:53,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:53,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:53,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:53,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:53,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:53,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:53,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:53,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:53,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:53,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:53,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:53,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:53,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:53,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:53,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:53,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:53,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:53,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:53,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:53,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:53,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:53,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:53,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:53,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-17 10:49:53,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:53,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:53,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:53,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:53,512 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:53,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:53,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:53,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:53,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:53,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:53,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:53,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:53,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:53,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:53,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:53,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:53,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:53,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:53,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:53,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:53,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:53,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:53,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:53,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:53,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:53,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:53,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:53,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:53,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:53,805 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:53,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:49:53,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c855557/4d4e0f8d4e35491aa2adaaa031b7188b/FLAG111633271 [2019-12-17 10:49:54,387 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:54,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:49:54,388 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:54,388 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:54,388 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:54,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c855557/4d4e0f8d4e35491aa2adaaa031b7188b/FLAG111633271 [2019-12-17 10:49:54,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c855557/4d4e0f8d4e35491aa2adaaa031b7188b [2019-12-17 10:49:54,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:54,794 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:54,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:54,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:54,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:54,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c57a20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54, skipping insertion in model container [2019-12-17 10:49:54,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:54,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:49:55,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:55,122 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:49:55,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:55,150 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:49:55,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55 WrapperNode [2019-12-17 10:49:55,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:55,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:55,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:49:55,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:49:55,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:55,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:49:55,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:49:55,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:49:55,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (1/1) ... [2019-12-17 10:49:55,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:49:55,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:49:55,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:49:55,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:49:55,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (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 [2019-12-17 10:49:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:49:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:49:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:49:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:49:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:49:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2019-12-17 10:49:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2019-12-17 10:49:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:49:55,275 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:49:55,593 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:49:55,593 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-17 10:49:55,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:55 BoogieIcfgContainer [2019-12-17 10:49:55,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:49:55,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:49:55,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:49:55,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:49:55,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:54" (1/3) ... [2019-12-17 10:49:55,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659f7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:55, skipping insertion in model container [2019-12-17 10:49:55,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:55" (2/3) ... [2019-12-17 10:49:55,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659f7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:55, skipping insertion in model container [2019-12-17 10:49:55,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:55" (3/3) ... [2019-12-17 10:49:55,603 INFO L109 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2019-12-17 10:49:55,612 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:49:55,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:49:55,618 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:49:55,619 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:49:55,645 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,645 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,645 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,646 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,647 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,647 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,647 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,648 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,649 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,649 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,649 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,649 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,650 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,650 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,650 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,651 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,656 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,657 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,658 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,658 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:49:55,714 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:55,714 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:55,715 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:55,715 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:55,716 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:55,716 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:55,716 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:55,717 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:55,741 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions [2019-12-17 10:49:55,743 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:49:55,794 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:49:55,795 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:55,809 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs. 10/69 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2019-12-17 10:49:55,816 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:49:55,852 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:49:55,853 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:55,858 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs. 10/69 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2019-12-17 10:49:55,861 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 600 [2019-12-17 10:49:55,864 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:56,936 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:49:57,188 INFO L206 etLargeBlockEncoding]: Checked pairs total: 475 [2019-12-17 10:49:57,188 INFO L214 etLargeBlockEncoding]: Total number of compositions: 51 [2019-12-17 10:49:57,193 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-17 10:49:57,201 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2019-12-17 10:49:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-17 10:49:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-17 10:49:57,208 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:49:57,209 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-17 10:49:57,209 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:49:57,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:49:57,214 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2019-12-17 10:49:57,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:49:57,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965677462] [2019-12-17 10:49:57,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:49:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:49:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:49:57,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965677462] [2019-12-17 10:49:57,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:49:57,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-17 10:49:57,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813695374] [2019-12-17 10:49:57,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-17 10:49:57,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:49:57,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-17 10:49:57,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:49:57,420 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-12-17 10:49:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:49:57,438 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-12-17 10:49:57,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-17 10:49:57,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-17 10:49:57,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:49:57,449 INFO L225 Difference]: With dead ends: 16 [2019-12-17 10:49:57,449 INFO L226 Difference]: Without dead ends: 11 [2019-12-17 10:49:57,452 INFO L631 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 [2019-12-17 10:49:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-17 10:49:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-17 10:49:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-17 10:49:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-17 10:49:57,483 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-17 10:49:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:49:57,483 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-17 10:49:57,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-17 10:49:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-17 10:49:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:49:57,484 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:49:57,484 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-17 10:49:57,485 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:49:57,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:49:57,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2019-12-17 10:49:57,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:49:57,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757318398] [2019-12-17 10:49:57,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:49:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:49:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:49:57,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:49:57,567 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:49:57,569 WARN L362 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:49:57,569 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-17 10:49:57,582 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,582 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,582 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,582 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,584 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,585 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,585 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,585 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,587 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,587 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,587 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,588 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,588 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,588 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,588 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,588 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,589 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,590 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,590 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,590 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,590 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,591 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,592 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,592 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,592 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,592 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,592 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,593 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,593 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,593 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,593 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,593 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,594 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,594 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,594 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,594 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,594 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,595 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,595 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,595 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,595 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,596 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,597 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,597 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,598 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,599 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,599 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,600 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,600 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,600 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,600 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,600 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,601 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,601 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,607 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,608 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,608 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,608 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,609 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,609 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,610 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,611 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,611 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,612 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,612 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,612 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:57,619 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-17 10:49:57,620 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:57,620 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:57,620 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:57,620 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:57,620 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:57,620 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:57,621 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:57,621 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:57,623 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions [2019-12-17 10:49:57,625 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:49:57,666 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:49:57,666 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:57,670 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 208 event pairs. 27/136 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2019-12-17 10:49:57,677 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:49:57,704 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:49:57,704 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:57,707 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 208 event pairs. 27/136 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2019-12-17 10:49:57,713 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2760 [2019-12-17 10:49:57,713 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:58,744 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-12-17 10:49:59,016 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6323 [2019-12-17 10:49:59,017 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-17 10:49:59,017 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 34 transitions [2019-12-17 10:49:59,090 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2019-12-17 10:49:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2019-12-17 10:49:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-17 10:49:59,095 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:49:59,095 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2019-12-17 10:49:59,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:49:59,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:49:59,096 INFO L82 PathProgramCache]: Analyzing trace with hash -597674599, now seen corresponding path program 1 times [2019-12-17 10:49:59,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:49:59,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88524744] [2019-12-17 10:49:59,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:49:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:49:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:49:59,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:49:59,220 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:49:59,220 WARN L362 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:49:59,221 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-17 10:49:59,234 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,234 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,236 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,236 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,236 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,236 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,236 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,237 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,238 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,240 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,240 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,240 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,240 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,241 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,241 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,241 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,243 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,243 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,243 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,243 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,244 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,245 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,246 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,246 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,246 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,246 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,246 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,247 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,248 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,249 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,250 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,250 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,250 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,250 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,250 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,251 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,252 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,253 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,254 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,255 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,255 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,255 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,255 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,255 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,258 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,258 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,258 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,258 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:59,262 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-17 10:49:59,263 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:59,263 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:59,263 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:59,263 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:59,263 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:59,263 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:59,263 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:59,264 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:59,265 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions [2019-12-17 10:49:59,266 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:49:59,318 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:49:59,318 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:59,323 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 522 event pairs. 52/219 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2019-12-17 10:49:59,333 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:49:59,366 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:49:59,366 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:59,371 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 522 event pairs. 52/219 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2019-12-17 10:49:59,379 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5520 [2019-12-17 10:49:59,379 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:50:00,916 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:50:01,011 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12937 [2019-12-17 10:50:01,012 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2019-12-17 10:50:01,012 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 47 transitions [2019-12-17 10:50:02,120 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2019-12-17 10:50:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2019-12-17 10:50:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-17 10:50:02,124 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:50:02,124 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:50:02,124 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:50:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:50:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1337401756, now seen corresponding path program 1 times [2019-12-17 10:50:02,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:50:02,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532630888] [2019-12-17 10:50:02,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:50:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:50:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:50:02,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532630888] [2019-12-17 10:50:02,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:50:02,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-17 10:50:02,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878485110] [2019-12-17 10:50:02,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-17 10:50:02,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:50:02,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-17 10:50:02,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-17 10:50:02,186 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2019-12-17 10:50:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:50:02,563 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2019-12-17 10:50:02,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-17 10:50:02,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-17 10:50:02,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:50:02,775 INFO L225 Difference]: With dead ends: 16053 [2019-12-17 10:50:02,776 INFO L226 Difference]: Without dead ends: 15826 [2019-12-17 10:50:02,777 INFO L631 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 [2019-12-17 10:50:03,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2019-12-17 10:50:03,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2019-12-17 10:50:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2019-12-17 10:50:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2019-12-17 10:50:03,555 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2019-12-17 10:50:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:50:03,555 INFO L462 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2019-12-17 10:50:03,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-17 10:50:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2019-12-17 10:50:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-17 10:50:03,559 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:50:03,559 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2019-12-17 10:50:03,559 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:50:03,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:50:03,559 INFO L82 PathProgramCache]: Analyzing trace with hash 367304155, now seen corresponding path program 1 times [2019-12-17 10:50:03,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:50:03,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784302494] [2019-12-17 10:50:03,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:50:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:50:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:50:03,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784302494] [2019-12-17 10:50:03,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246321395] [2019-12-17 10:50:03,689 INFO L94 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 [2019-12-17 10:50:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:50:03,763 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-17 10:50:03,765 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-17 10:50:03,839 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:03,839 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2019-12-17 10:50:03,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:50:03,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:50:03,845 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,883 INFO L614 ElimStorePlain]: treesize reduction 85, result has 22.0 percent of original size [2019-12-17 10:50:03,889 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-17 10:50:03,890 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,898 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:03,899 INFO L534 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. [2019-12-17 10:50:03,899 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2019-12-17 10:50:03,906 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2019-12-17 10:50:03,906 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,913 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:03,914 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,914 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-12-17 10:50:03,934 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:50:03,935 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,941 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:03,942 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:50:03,942 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:50:04,550 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-17 10:50:04,551 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,560 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:04,561 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,561 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-12-17 10:50:04,568 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:50:04,569 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,586 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:04,586 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,586 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:50:04,612 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-17 10:50:04,613 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,620 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:04,622 INFO L534 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. [2019-12-17 10:50:04,622 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2019-12-17 10:50:04,651 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:50:04,652 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:50:04,659 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:50:04,660 INFO L534 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. [2019-12-17 10:50:04,660 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2019-12-17 10:50:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:50:04,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-17 10:50:04,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-12-17 10:50:04,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258702683] [2019-12-17 10:50:04,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-17 10:50:04,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:50:04,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-17 10:50:04,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-12-17 10:50:04,686 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 11 states. [2019-12-17 10:50:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:50:04,991 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2019-12-17 10:50:04,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-17 10:50:04,992 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-12-17 10:50:04,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:50:05,027 INFO L225 Difference]: With dead ends: 9897 [2019-12-17 10:50:05,027 INFO L226 Difference]: Without dead ends: 9786 [2019-12-17 10:50:05,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-12-17 10:50:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2019-12-17 10:50:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2019-12-17 10:50:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2019-12-17 10:50:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2019-12-17 10:50:05,403 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2019-12-17 10:50:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:50:05,404 INFO L462 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2019-12-17 10:50:05,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-17 10:50:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2019-12-17 10:50:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-17 10:50:05,410 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:50:05,410 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:50:05,613 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-17 10:50:05,613 INFO L410 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:50:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:50:05,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1619689545, now seen corresponding path program 1 times [2019-12-17 10:50:05,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:50:05,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552257115] [2019-12-17 10:50:05,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:50:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:50:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:50:05,686 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:50:05,686 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:50:05,690 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [528] [528] ULTIMATE.startENTRY-->L34-10: Formula: (let ((.cse2 (store |v_#valid_104| 0 0))) (let ((.cse1 (store .cse2 |v_#t~string3.base_13| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#i~0.base_151| 1))) (and (= 0 |v_#t~string3.offset_13|) (= (select .cse0 |v_ULTIMATE.start_main_~#tid~0.base_72|) 0) (< |v_#StackHeapBarrier_28| |v_#t~string3.base_13|) (= 0 |v_#NULL.base_9|) (= |v_ULTIMATE.start_main_~#i~0.offset_141| 0) (= |v_ULTIMATE.start_main_~#tid~0.offset_62| 0) (= |v_#valid_102| (store .cse0 |v_ULTIMATE.start_main_~#tid~0.base_72| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#tid~0.base_72|) (< 0 |v_#StackHeapBarrier_28|) (= (store (store (store |v_#length_54| |v_#t~string3.base_13| 39) |v_ULTIMATE.start_main_~#i~0.base_151| 4) |v_ULTIMATE.start_main_~#tid~0.base_72| 4) |v_#length_52|) (= |v_#NULL.offset_9| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#i~0.base_151|) 0) (= v_~g~0_578 0) (= |v_#memory_int_230| (store |v_#memory_int_231| |v_ULTIMATE.start_main_~#i~0.base_151| (store (select |v_#memory_int_231| |v_ULTIMATE.start_main_~#i~0.base_151|) |v_ULTIMATE.start_main_~#i~0.offset_141| 0))) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#i~0.base_151|) (= 0 (select .cse2 |v_#t~string3.base_13|)) (= 0 v_~s~0_509))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #valid=|v_#valid_104|, #memory_int=|v_#memory_int_231|, #length=|v_#length_54|} OutVars{ULTIMATE.start_main_#t~mem11=|v_ULTIMATE.start_main_#t~mem11_38|, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_16|, ~g~0=v_~g~0_578, #NULL.offset=|v_#NULL.offset_9|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_72|, #NULL.base=|v_#NULL.base_9|, #t~string3.offset=|v_#t~string3.offset_13|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_52|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_62|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_97|, ULTIMATE.start_main_#t~post8=|v_ULTIMATE.start_main_#t~post8_102|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_30|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_141|, #valid=|v_#valid_102|, #memory_int=|v_#memory_int_230|, #length=|v_#length_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_151|, ~s~0=v_~s~0_509, #t~string3.base=|v_#t~string3.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem11, ULTIMATE.start_main_#t~nondet10, ~g~0, #NULL.offset, ULTIMATE.start_main_~#tid~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_~#tid~0.offset, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#t~post8, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#i~0.offset, #valid, #memory_int, #length, ULTIMATE.start_main_~#i~0.base, ~s~0, #t~string3.base] because there is no mapped edge [2019-12-17 10:50:05,691 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [509] [509] L34-10-->L35-1: Formula: (and (< (select (select |v_#memory_int_174| |v_ULTIMATE.start_main_~#i~0.base_116|) |v_ULTIMATE.start_main_~#i~0.offset_108|) 3) (= |v_#memory_int_173| (store |v_#memory_int_174| |v_ULTIMATE.start_main_~#tid~0.base_66| (store (select |v_#memory_int_174| |v_ULTIMATE.start_main_~#tid~0.base_66|) |v_ULTIMATE.start_main_~#tid~0.offset_57| 0)))) InVars {ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_57|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_108|, #memory_int=|v_#memory_int_174|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_66|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_116|} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_46|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_57|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_108|, #memory_int=|v_#memory_int_173|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_66|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_116|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, #memory_int] because there is no mapped edge [2019-12-17 10:50:05,691 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [514] [514] myThreadENTRY-->L22-1: Formula: (and (= (+ v_~s~0_293 1) |v_myThreadThread1of3ForFork0_#t~pre0_20|) (= v_myThreadThread1of3ForFork0_~vargp.base_6 v_myThreadThread1of3ForFork0_~myid~0.base_11) (= v_myThreadThread1of3ForFork0_~vargp.base_6 |v_myThreadThread1of3ForFork0_#in~vargp.base_5|) (= |v_myThreadThread1of3ForFork0_#in~vargp.offset_5| v_myThreadThread1of3ForFork0_~vargp.offset_6) (= v_myThreadThread1of3ForFork0_~myid~0.offset_11 v_myThreadThread1of3ForFork0_~vargp.offset_6)) InVars {myThreadThread1of3ForFork0_#in~vargp.base=|v_myThreadThread1of3ForFork0_#in~vargp.base_5|, myThreadThread1of3ForFork0_#in~vargp.offset=|v_myThreadThread1of3ForFork0_#in~vargp.offset_5|, ~s~0=v_~s~0_293} OutVars{myThreadThread1of3ForFork0_~vargp.base=v_myThreadThread1of3ForFork0_~vargp.base_6, myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_11, myThreadThread1of3ForFork0_#t~pre0=|v_myThreadThread1of3ForFork0_#t~pre0_20|, myThreadThread1of3ForFork0_~vargp.offset=v_myThreadThread1of3ForFork0_~vargp.offset_6, myThreadThread1of3ForFork0_#in~vargp.base=|v_myThreadThread1of3ForFork0_#in~vargp.base_5|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_11, myThreadThread1of3ForFork0_#in~vargp.offset=|v_myThreadThread1of3ForFork0_#in~vargp.offset_5|, ~s~0=v_~s~0_293} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_~vargp.base, myThreadThread1of3ForFork0_~myid~0.offset, myThreadThread1of3ForFork0_#t~pre0, myThreadThread1of3ForFork0_~vargp.offset, myThreadThread1of3ForFork0_~myid~0.base] because there is no mapped edge [2019-12-17 10:50:05,692 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] L22-2-->L22-4: Formula: (= |v_myThreadThread1of3ForFork0_#t~pre1_7| (+ v_~g~0_162 1)) InVars {~g~0=v_~g~0_162} OutVars{myThreadThread1of3ForFork0_#t~pre0=|v_myThreadThread1of3ForFork0_#t~pre0_5|, myThreadThread1of3ForFork0_#t~pre1=|v_myThreadThread1of3ForFork0_#t~pre1_7|, ~g~0=v_~g~0_162} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~pre0, myThreadThread1of3ForFork0_#t~pre1] because there is no mapped edge [2019-12-17 10:50:05,692 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [476] [476] L22-4-->L24: Formula: (= v_~g~0_187 (+ v_~g~0_188 1)) InVars {~g~0=v_~g~0_188} OutVars{myThreadThread1of3ForFork0_#t~pre1=|v_myThreadThread1of3ForFork0_#t~pre1_12|, ~g~0=v_~g~0_187} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~pre1, ~g~0] because there is no mapped edge [2019-12-17 10:50:05,692 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [491] [491] L24-->L24-2: Formula: (= |v_myThreadThread1of3ForFork0_#t~mem4_8| (select (select |v_#memory_int_152| v_myThreadThread1of3ForFork0_~myid~0.base_8) v_myThreadThread1of3ForFork0_~myid~0.offset_8)) InVars {myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_8, #memory_int=|v_#memory_int_152|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_8} OutVars{myThreadThread1of3ForFork0_#t~nondet2=|v_myThreadThread1of3ForFork0_#t~nondet2_4|, myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_8, #memory_int=|v_#memory_int_152|, myThreadThread1of3ForFork0_#t~mem4=|v_myThreadThread1of3ForFork0_#t~mem4_8|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_8} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~nondet2, myThreadThread1of3ForFork0_#t~mem4] because there is no mapped edge [2019-12-17 10:50:05,693 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [525] [525] L34-5-->L34-10: Formula: (= (store |v_#memory_int_209| |v_ULTIMATE.start_main_~#i~0.base_140| (let ((.cse0 (select |v_#memory_int_209| |v_ULTIMATE.start_main_~#i~0.base_140|))) (store .cse0 |v_ULTIMATE.start_main_~#i~0.offset_130| (+ (select .cse0 |v_ULTIMATE.start_main_~#i~0.offset_130|) 1)))) |v_#memory_int_208|) InVars {ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_130|, #memory_int=|v_#memory_int_209|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_140|} OutVars{ULTIMATE.start_main_#t~post8=|v_ULTIMATE.start_main_#t~post8_91|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_83|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_130|, #memory_int=|v_#memory_int_208|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_140|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post8, ULTIMATE.start_main_#t~mem7, #memory_int] because there is no mapped edge [2019-12-17 10:50:05,693 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [509] [509] L34-10-->L35-1: Formula: (and (< (select (select |v_#memory_int_174| |v_ULTIMATE.start_main_~#i~0.base_116|) |v_ULTIMATE.start_main_~#i~0.offset_108|) 3) (= |v_#memory_int_173| (store |v_#memory_int_174| |v_ULTIMATE.start_main_~#tid~0.base_66| (store (select |v_#memory_int_174| |v_ULTIMATE.start_main_~#tid~0.base_66|) |v_ULTIMATE.start_main_~#tid~0.offset_57| 0)))) InVars {ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_57|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_108|, #memory_int=|v_#memory_int_174|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_66|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_116|} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_46|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_57|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_108|, #memory_int=|v_#memory_int_173|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_66|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_116|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, #memory_int] because there is no mapped edge [2019-12-17 10:50:05,693 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [516] [516] myThreadENTRY-->L22-1: Formula: (and (= v_myThreadThread2of3ForFork0_~vargp.base_6 v_myThreadThread2of3ForFork0_~myid~0.base_12) (= v_myThreadThread2of3ForFork0_~myid~0.offset_12 v_myThreadThread2of3ForFork0_~vargp.offset_6) (= |v_myThreadThread2of3ForFork0_#in~vargp.offset_5| v_myThreadThread2of3ForFork0_~vargp.offset_6) (= v_myThreadThread2of3ForFork0_~vargp.base_6 |v_myThreadThread2of3ForFork0_#in~vargp.base_5|) (= |v_myThreadThread2of3ForFork0_#t~pre0_8| (+ v_~s~0_298 1))) InVars {myThreadThread2of3ForFork0_#in~vargp.offset=|v_myThreadThread2of3ForFork0_#in~vargp.offset_5|, myThreadThread2of3ForFork0_#in~vargp.base=|v_myThreadThread2of3ForFork0_#in~vargp.base_5|, ~s~0=v_~s~0_298} OutVars{myThreadThread2of3ForFork0_#in~vargp.offset=|v_myThreadThread2of3ForFork0_#in~vargp.offset_5|, myThreadThread2of3ForFork0_~vargp.base=v_myThreadThread2of3ForFork0_~vargp.base_6, myThreadThread2of3ForFork0_#t~pre0=|v_myThreadThread2of3ForFork0_#t~pre0_8|, myThreadThread2of3ForFork0_~myid~0.offset=v_myThreadThread2of3ForFork0_~myid~0.offset_12, myThreadThread2of3ForFork0_#in~vargp.base=|v_myThreadThread2of3ForFork0_#in~vargp.base_5|, myThreadThread2of3ForFork0_~vargp.offset=v_myThreadThread2of3ForFork0_~vargp.offset_6, ~s~0=v_~s~0_298, myThreadThread2of3ForFork0_~myid~0.base=v_myThreadThread2of3ForFork0_~myid~0.base_12} AuxVars[] AssignedVars[myThreadThread2of3ForFork0_~vargp.base, myThreadThread2of3ForFork0_#t~pre0, myThreadThread2of3ForFork0_~myid~0.offset, myThreadThread2of3ForFork0_~vargp.offset, myThreadThread2of3ForFork0_~myid~0.base] because there is no mapped edge [2019-12-17 10:50:05,693 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [481] [481] L22-1-->L22-3: Formula: (= (+ v_~s~0_176 1) v_~s~0_175) InVars {~s~0=v_~s~0_176} OutVars{myThreadThread2of3ForFork0_#t~pre0=|v_myThreadThread2of3ForFork0_#t~pre0_5|, ~s~0=v_~s~0_175} AuxVars[] AssignedVars[myThreadThread2of3ForFork0_#t~pre0, ~s~0] because there is no mapped edge [2019-12-17 10:50:05,695 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [468] [468] L24-5-->L24-7: Formula: (= v_~g~0_152 (+ v_~g~0_153 1)) InVars {~g~0=v_~g~0_153} OutVars{~g~0=v_~g~0_152, myThreadThread1of3ForFork0_#t~pre6=|v_myThreadThread1of3ForFork0_#t~pre6_5|} AuxVars[] AssignedVars[~g~0, myThreadThread1of3ForFork0_#t~pre6] because there is no mapped edge [2019-12-17 10:50:05,695 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [511] [511] L24-7-->myThreadErr0ASSERT_VIOLATIONASSERT: Formula: (not (< v_~s~0_290 3)) InVars {~s~0=v_~s~0_290} OutVars{myThreadThread1of3ForFork0_#t~mem4=|v_myThreadThread1of3ForFork0_#t~mem4_11|, myThreadThread1of3ForFork0_#t~pre5=|v_myThreadThread1of3ForFork0_#t~pre5_12|, ~s~0=v_~s~0_290} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~mem4, myThreadThread1of3ForFork0_#t~pre5] because there is no mapped edge [2019-12-17 10:50:05,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:50:05 BasicIcfg [2019-12-17 10:50:05,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:50:05,737 INFO L168 Benchmark]: Toolchain (without parser) took 10939.81 ms. Allocated memory was 137.4 MB in the beginning and 481.8 MB in the end (delta: 344.5 MB). Free memory was 98.6 MB in the beginning and 166.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 277.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,739 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.77 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 179.6 MB in the end (delta: -81.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.42 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 178.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,741 INFO L168 Benchmark]: Boogie Preprocessor took 24.19 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 177.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,744 INFO L168 Benchmark]: RCFGBuilder took 382.70 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 159.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,749 INFO L168 Benchmark]: TraceAbstraction took 10134.95 ms. Allocated memory was 202.4 MB in the beginning and 481.8 MB in the end (delta: 279.4 MB). Free memory was 158.9 MB in the beginning and 166.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 272.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:05,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 355.77 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 179.6 MB in the end (delta: -81.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.42 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 178.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.19 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 177.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.70 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 159.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10134.95 ms. Allocated memory was 202.4 MB in the beginning and 481.8 MB in the end (delta: 279.4 MB). Free memory was 158.9 MB in the beginning and 166.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 272.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 58 ProgramPointsBefore, 12 ProgramPointsAfterwards, 56 TransitionsBefore, 10 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 309 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 475 CheckedPairsTotal, 51 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 81 ProgramPointsBefore, 37 ProgramPointsAfterwards, 78 TransitionsBefore, 34 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 1256 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6323 CheckedPairsTotal, 49 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 104 ProgramPointsBefore, 51 ProgramPointsAfterwards, 100 TransitionsBefore, 47 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 2516 VarBasedMoverChecksPositive, 102 VarBasedMoverChecksNegative, 48 SemBasedMoverChecksPositive, 123 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 12937 CheckedPairsTotal, 60 TotalNumberOfCompositions - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={3:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [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}] [L24] 1 ++s VAL [++s=3, \read(*myid)=0, g=1, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L24] 1 ++g VAL [++g=2, ++s=3, \read(*myid)=0, g=1, 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. Result: UNSAFE, OverallTime: 6.4s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 304 SDslu, 581 SDs, 0 SdLazy, 192 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13894occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 4 QuantifiedInterpolants, 7012 SizeOfPredicates, 5 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 12/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...