/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:53:00,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:53:00,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:53:00,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:53:00,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:53:00,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:53:00,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:53:00,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:53:00,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:53:00,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:53:00,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:53:00,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:53:00,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:53:00,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:53:00,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:53:00,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:53:00,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:53:00,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:53:00,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:53:00,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:53:00,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:53:00,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:53:00,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:53:00,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:53:00,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:53:00,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:53:00,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:53:00,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:53:00,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:53:00,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:53:00,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:53:00,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:53:00,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:53:00,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:53:00,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:53:00,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:53:00,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:53:00,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:53:00,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:53:00,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:53:00,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:53:00,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-17 10:53:00,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:53:00,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:53:00,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:53:00,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:53:00,155 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:53:00,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:53:00,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:53:00,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:53:00,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:53:00,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:53:00,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:53:00,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:53:00,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:53:00,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:53:00,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:53:00,157 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:53:00,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:53:00,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:53:00,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:53:00,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:53:00,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:53:00,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:53:00,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:53:00,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:53:00,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:53:00,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:53:00,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:53:00,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:53:00,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:53:00,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:53:00,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:53:00,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:53:00,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:53:00,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:53:00,486 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:53:00,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:53:00,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908ba9202/de216dd8aeb24a6a9c34bd1f15dd210b/FLAGe4ca6ebf9 [2019-12-17 10:53:00,982 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:53:00,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:53:00,983 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:00,983 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:00,984 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:01,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908ba9202/de216dd8aeb24a6a9c34bd1f15dd210b/FLAGe4ca6ebf9 [2019-12-17 10:53:01,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908ba9202/de216dd8aeb24a6a9c34bd1f15dd210b [2019-12-17 10:53:01,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:53:01,416 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:53:01,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:01,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:53:01,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:53:01,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7498d249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01, skipping insertion in model container [2019-12-17 10:53:01,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:53:01,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:53:01,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:01,711 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:53:01,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:01,742 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:53:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01 WrapperNode [2019-12-17 10:53:01,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:01,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:01,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:53:01,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:53:01,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:01,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:53:01,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:53:01,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:53:01,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:53:01,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:53:01,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:53:01,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:53:01,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (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 10:53:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:53:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:53:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:53:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:53:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2019-12-17 10:53:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2019-12-17 10:53:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:53:01,877 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 10:53:02,202 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:53:02,202 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-17 10:53:02,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:02 BoogieIcfgContainer [2019-12-17 10:53:02,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:53:02,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:53:02,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:53:02,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:53:02,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:53:01" (1/3) ... [2019-12-17 10:53:02,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea2861b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:02, skipping insertion in model container [2019-12-17 10:53:02,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (2/3) ... [2019-12-17 10:53:02,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea2861b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:02, skipping insertion in model container [2019-12-17 10:53:02,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:02" (3/3) ... [2019-12-17 10:53:02,211 INFO L109 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2019-12-17 10:53:02,221 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:53:02,222 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:53:02,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:53:02,229 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:53:02,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,257 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,257 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,260 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,260 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,261 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,261 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,261 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,262 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,265 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,265 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,266 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,266 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,266 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,267 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,267 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,267 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,267 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,268 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,268 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,268 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,275 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,303 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:53:02,319 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:53:02,320 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:53:02,320 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:53:02,320 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:53:02,320 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:53:02,320 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:53:02,320 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:53:02,320 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:53:02,335 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions [2019-12-17 10:53:02,337 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:53:02,396 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:53:02,396 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:02,405 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 10:53:02,411 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:53:02,433 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:53:02,433 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:02,434 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 10:53:02,436 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 600 [2019-12-17 10:53:02,437 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:53:03,473 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:53:03,750 INFO L206 etLargeBlockEncoding]: Checked pairs total: 475 [2019-12-17 10:53:03,750 INFO L214 etLargeBlockEncoding]: Total number of compositions: 51 [2019-12-17 10:53:03,754 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-17 10:53:03,762 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2019-12-17 10:53:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-17 10:53:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-17 10:53:03,769 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:03,770 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-17 10:53:03,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:03,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:03,777 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2019-12-17 10:53:03,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:03,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941453621] [2019-12-17 10:53:03,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:53:03,933 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 10:53:03,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941453621] [2019-12-17 10:53:03,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:53:03,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-17 10:53:03,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705018305] [2019-12-17 10:53:03,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-17 10:53:03,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:53:03,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-17 10:53:03,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:53:03,955 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-12-17 10:53:03,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:53:03,979 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-12-17 10:53:03,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-17 10:53:03,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-17 10:53:03,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:53:03,993 INFO L225 Difference]: With dead ends: 16 [2019-12-17 10:53:03,994 INFO L226 Difference]: Without dead ends: 11 [2019-12-17 10:53:03,997 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 10:53:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-17 10:53:04,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-17 10:53:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-17 10:53:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-17 10:53:04,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-17 10:53:04,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:53:04,032 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-17 10:53:04,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-17 10:53:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-17 10:53:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:53:04,033 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:04,033 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-17 10:53:04,033 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:04,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2019-12-17 10:53:04,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:04,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137780399] [2019-12-17 10:53:04,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:04,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:53:04,167 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:53:04,169 WARN L362 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:53:04,170 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-17 10:53:04,186 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,186 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,187 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,187 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,187 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,187 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,187 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,188 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,192 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,192 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,193 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,193 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,194 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,194 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,194 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,194 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,194 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,195 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,195 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,195 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,195 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,196 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,196 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,196 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,197 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,197 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,197 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,197 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,197 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,198 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,198 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,198 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,198 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,199 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,199 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,199 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,199 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,199 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,200 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,200 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,200 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,200 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,201 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,202 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,202 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,202 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,202 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,202 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,203 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,203 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,203 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,203 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,203 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,204 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,207 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,208 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,208 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,208 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,208 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,209 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,209 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,211 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,211 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,211 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,211 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,212 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:04,220 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-17 10:53:04,221 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:53:04,221 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:53:04,221 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:53:04,221 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:53:04,221 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:53:04,221 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:53:04,221 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:53:04,222 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:53:04,225 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions [2019-12-17 10:53:04,225 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:53:04,262 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:53:04,262 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:04,268 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 10:53:04,277 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:53:04,328 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:53:04,328 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:04,334 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 10:53:04,343 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2760 [2019-12-17 10:53:04,343 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:53:05,261 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-12-17 10:53:05,519 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6323 [2019-12-17 10:53:05,520 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-17 10:53:05,520 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 34 transitions [2019-12-17 10:53:05,582 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2019-12-17 10:53:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2019-12-17 10:53:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-17 10:53:05,585 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:05,586 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2019-12-17 10:53:05,586 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:05,586 INFO L82 PathProgramCache]: Analyzing trace with hash -597674599, now seen corresponding path program 1 times [2019-12-17 10:53:05,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:05,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962420315] [2019-12-17 10:53:05,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:05,640 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:53:05,641 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:53:05,641 WARN L362 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:53:05,641 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-17 10:53:05,654 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,654 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,654 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,655 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,656 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,657 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,661 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,661 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,661 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,662 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,663 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,664 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,665 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,665 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,665 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,666 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,667 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,667 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,667 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,668 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,668 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,668 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,668 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,669 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,670 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,670 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,671 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,672 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,672 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,672 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,672 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,672 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,682 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,683 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,684 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,684 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,684 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,684 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,684 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,686 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,686 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,686 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,687 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,688 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,688 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:05,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-17 10:53:05,692 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:53:05,693 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:53:05,693 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:53:05,693 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:53:05,693 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:53:05,693 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:53:05,693 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:53:05,693 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:53:05,697 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions [2019-12-17 10:53:05,697 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:53:05,724 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:53:05,725 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:05,729 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 10:53:05,740 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:53:05,762 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:53:05,762 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:05,766 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 10:53:05,775 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5520 [2019-12-17 10:53:05,775 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:53:07,143 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:53:07,255 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12937 [2019-12-17 10:53:07,256 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2019-12-17 10:53:07,256 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 47 transitions [2019-12-17 10:53:08,562 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2019-12-17 10:53:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2019-12-17 10:53:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-17 10:53:08,566 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:08,567 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:53:08,567 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1337401756, now seen corresponding path program 1 times [2019-12-17 10:53:08,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:08,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708323263] [2019-12-17 10:53:08,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:53:08,611 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 10:53:08,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708323263] [2019-12-17 10:53:08,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:53:08,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-17 10:53:08,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689001983] [2019-12-17 10:53:08,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-17 10:53:08,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:53:08,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-17 10:53:08,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-17 10:53:08,613 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2019-12-17 10:53:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:53:08,864 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2019-12-17 10:53:08,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-17 10:53:08,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-17 10:53:08,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:53:09,028 INFO L225 Difference]: With dead ends: 16053 [2019-12-17 10:53:09,029 INFO L226 Difference]: Without dead ends: 15826 [2019-12-17 10:53:09,029 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 10:53:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2019-12-17 10:53:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2019-12-17 10:53:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2019-12-17 10:53:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2019-12-17 10:53:10,608 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2019-12-17 10:53:10,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:53:10,609 INFO L462 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2019-12-17 10:53:10,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-17 10:53:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2019-12-17 10:53:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-17 10:53:10,613 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:10,613 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2019-12-17 10:53:10,613 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash 367304155, now seen corresponding path program 1 times [2019-12-17 10:53:10,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:10,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265672422] [2019-12-17 10:53:10,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:53:10,756 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 10:53:10,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265672422] [2019-12-17 10:53:10,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41650843] [2019-12-17 10:53:10,757 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 10:53:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:53:10,830 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-17 10:53:10,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-17 10:53:10,901 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:10,902 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 10:53:10,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:53:10,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:53:10,909 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:10,960 INFO L614 ElimStorePlain]: treesize reduction 85, result has 22.0 percent of original size [2019-12-17 10:53:10,970 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 10:53:10,971 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:10,980 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:10,981 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 10:53:10,981 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2019-12-17 10:53:10,992 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 10:53:10,993 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,002 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,003 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,003 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-12-17 10:53:11,026 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 10:53:11,029 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,036 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,036 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,037 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:53:11,061 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 10:53:11,062 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,068 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,069 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,069 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-12-17 10:53:11,078 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 10:53:11,079 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,087 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,088 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,088 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:53:11,112 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 10:53:11,113 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,119 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,120 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 10:53:11,121 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2019-12-17 10:53:11,167 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 10:53:11,168 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:53:11,174 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:53:11,175 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 10:53:11,176 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2019-12-17 10:53:11,201 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 10:53:11,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-17 10:53:11,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-12-17 10:53:11,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952596854] [2019-12-17 10:53:11,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-17 10:53:11,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:53:11,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-17 10:53:11,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-12-17 10:53:11,203 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 11 states. [2019-12-17 10:53:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:53:11,482 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2019-12-17 10:53:11,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-17 10:53:11,483 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-12-17 10:53:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:53:11,519 INFO L225 Difference]: With dead ends: 9897 [2019-12-17 10:53:11,520 INFO L226 Difference]: Without dead ends: 9786 [2019-12-17 10:53:11,520 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 10:53:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2019-12-17 10:53:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2019-12-17 10:53:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2019-12-17 10:53:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2019-12-17 10:53:11,967 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2019-12-17 10:53:11,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:53:11,968 INFO L462 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2019-12-17 10:53:11,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-17 10:53:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2019-12-17 10:53:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-17 10:53:11,972 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:11,972 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 10:53:12,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-17 10:53:12,177 INFO L410 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1619689545, now seen corresponding path program 1 times [2019-12-17 10:53:12,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:12,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878781442] [2019-12-17 10:53:12,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:12,217 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:53:12,217 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:53:12,221 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 10:53:12,221 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 10:53:12,223 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 10:53:12,224 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 10:53:12,224 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 10:53:12,224 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 10:53:12,225 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 10:53:12,225 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 10:53:12,226 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 10:53:12,226 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 10:53:12,228 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~pre5=|v_myThreadThread1of3ForFork0_#t~pre5_5|} AuxVars[] AssignedVars[~g~0, myThreadThread1of3ForFork0_#t~pre5] because there is no mapped edge [2019-12-17 10:53:12,229 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~pre6=|v_myThreadThread1of3ForFork0_#t~pre6_16|, ~s~0=v_~s~0_290} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~mem4, myThreadThread1of3ForFork0_#t~pre6] because there is no mapped edge [2019-12-17 10:53:12,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:53:12 BasicIcfg [2019-12-17 10:53:12,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:53:12,263 INFO L168 Benchmark]: Toolchain (without parser) took 10843.35 ms. Allocated memory was 138.4 MB in the beginning and 510.7 MB in the end (delta: 372.2 MB). Free memory was 101.3 MB in the beginning and 309.8 MB in the end (delta: -208.5 MB). Peak memory consumption was 163.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,266 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.41 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 180.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.83 ms. Allocated memory is still 203.4 MB. Free memory was 180.6 MB in the beginning and 179.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,268 INFO L168 Benchmark]: Boogie Preprocessor took 33.54 ms. Allocated memory is still 203.4 MB. Free memory was 179.3 MB in the beginning and 178.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,271 INFO L168 Benchmark]: RCFGBuilder took 386.02 ms. Allocated memory is still 203.4 MB. Free memory was 178.0 MB in the beginning and 160.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,277 INFO L168 Benchmark]: TraceAbstraction took 10052.55 ms. Allocated memory was 203.4 MB in the beginning and 510.7 MB in the end (delta: 307.2 MB). Free memory was 160.2 MB in the beginning and 309.8 MB in the end (delta: -149.6 MB). Peak memory consumption was 157.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:12,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 326.41 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 180.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.83 ms. Allocated memory is still 203.4 MB. Free memory was 180.6 MB in the beginning and 179.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.54 ms. Allocated memory is still 203.4 MB. Free memory was 179.3 MB in the beginning and 178.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.02 ms. Allocated memory is still 203.4 MB. Free memory was 178.0 MB in the beginning and 160.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10052.55 ms. Allocated memory was 203.4 MB in the beginning and 510.7 MB in the end (delta: 307.2 MB). Free memory was 160.2 MB in the beginning and 309.8 MB in the end (delta: -149.6 MB). Peak memory consumption was 157.7 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: 1.2s, 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: 1.5s, 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: 0.5s, 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: 6.5s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 304 SDslu, 581 SDs, 0 SdLazy, 192 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 2.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s 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...