/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-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:24:25,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:24:25,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:24:25,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:24:25,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:24:25,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:24:25,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:24:25,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:24:25,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:24:25,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:24:25,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:24:25,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:24:25,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:24:25,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:24:25,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:24:25,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:24:25,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:24:25,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:24:25,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:24:25,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:24:25,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:24:25,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:24:25,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:24:25,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:24:25,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:24:25,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:24:25,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:24:25,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:24:25,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:24:25,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:24:25,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:24:25,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:24:25,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:24:25,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:24:25,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:24:25,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:24:25,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:24:25,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:24:25,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:24:25,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:24:25,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:24:25,136 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-NoLbe-McrStrategy.epf [2020-04-18 16:24:25,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:24:25,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:24:25,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:24:25,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:24:25,158 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:24:25,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:24:25,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:24:25,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:24:25,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:24:25,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:24:25,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:24:25,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:24:25,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:24:25,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:24:25,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:24:25,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:24:25,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:24:25,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:24:25,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:24:25,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:24:25,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:24:25,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:24:25,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:24:25,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:24:25,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:24:25,164 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:24:25,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:24:25,165 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 16:24:25,165 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:24:25,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:24:25,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:24:25,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:24:25,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:24:25,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:24:25,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:24:25,484 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:24:25,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2020-04-18 16:24:25,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b098e405/444487b7f8274c988c4fc7f1a9aea1d8/FLAGf8728a9a7 [2020-04-18 16:24:26,146 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:24:26,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2020-04-18 16:24:26,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b098e405/444487b7f8274c988c4fc7f1a9aea1d8/FLAGf8728a9a7 [2020-04-18 16:24:26,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b098e405/444487b7f8274c988c4fc7f1a9aea1d8 [2020-04-18 16:24:26,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:24:26,387 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:24:26,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:24:26,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:24:26,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:24:26,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:24:26" (1/1) ... [2020-04-18 16:24:26,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455307b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:26, skipping insertion in model container [2020-04-18 16:24:26,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:24:26" (1/1) ... [2020-04-18 16:24:26,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:24:26,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:24:26,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:24:26,969 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:24:27,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:24:27,119 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:24:27,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27 WrapperNode [2020-04-18 16:24:27,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:24:27,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:24:27,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:24:27,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:24:27,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:24:27,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:24:27,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:24:27,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:24:27,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... [2020-04-18 16:24:27,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:24:27,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:24:27,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:24:27,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:24:27,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:24:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 16:24:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 16:24:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:24:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:24:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:24:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:24:27,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:24:27,259 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:24:27,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:24:27,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-04-18 16:24:27,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:24:27 BoogieIcfgContainer [2020-04-18 16:24:27,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:24:27,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:24:27,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:24:27,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:24:27,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:24:26" (1/3) ... [2020-04-18 16:24:27,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3556c9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:24:27, skipping insertion in model container [2020-04-18 16:24:27,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:27" (2/3) ... [2020-04-18 16:24:27,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3556c9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:24:27, skipping insertion in model container [2020-04-18 16:24:27,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:24:27" (3/3) ... [2020-04-18 16:24:27,575 INFO L109 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2020-04-18 16:24:27,585 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:24:27,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:24:27,591 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 16:24:27,592 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:24:27,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,616 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,617 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,619 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,619 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,620 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,623 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,624 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,624 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,625 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,625 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,625 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,645 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 16:24:27,664 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:24:27,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:24:27,665 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:24:27,665 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:24:27,665 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:24:27,665 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:24:27,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:24:27,666 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:24:27,677 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions, 71 flow [2020-04-18 16:24:27,696 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 138 states. [2020-04-18 16:24:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-04-18 16:24:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 16:24:27,707 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:24:27,709 INFO L425 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:24:27,709 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:24:27,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:27,715 INFO L82 PathProgramCache]: Analyzing trace with hash 5843665, now seen corresponding path program 1 times [2020-04-18 16:24:27,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:24:27,723 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1453970614] [2020-04-18 16:24:27,740 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:24:27,755 INFO L259 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-04-18 16:24:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-04-18 16:24:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 16:24:27,759 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:24:27,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:27,759 INFO L82 PathProgramCache]: Analyzing trace with hash 5843665, now seen corresponding path program 2 times [2020-04-18 16:24:27,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:24:27,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234391764] [2020-04-18 16:24:27,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:24:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:27,918 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:24:27,919 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:24:27,919 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:24:27,920 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:24:27,920 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 16:24:27,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,939 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,939 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,940 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,940 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,942 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,945 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,945 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,945 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,949 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,949 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,949 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:27,952 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 16:24:27,952 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:24:27,952 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:24:27,952 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:24:27,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:24:27,953 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:24:27,953 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:24:27,953 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:24:27,953 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:24:27,956 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 46 transitions, 104 flow [2020-04-18 16:24:28,043 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1566 states. [2020-04-18 16:24:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states. [2020-04-18 16:24:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:24:28,047 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:24:28,047 INFO L425 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:24:28,048 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:24:28,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:28,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1806722581, now seen corresponding path program 1 times [2020-04-18 16:24:28,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:24:28,050 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [745017902] [2020-04-18 16:24:28,050 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:24:28,052 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:24:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-04-18 16:24:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:24:28,053 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:24:28,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:28,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1806722581, now seen corresponding path program 2 times [2020-04-18 16:24:28,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:24:28,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180796428] [2020-04-18 16:24:28,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:24:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:28,102 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:24:28,103 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:24:28,103 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:24:28,103 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:24:28,106 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 16:24:28,117 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,124 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,124 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,124 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,130 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,133 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,133 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,134 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,134 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,134 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,134 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,139 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:28,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 16:24:28,145 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:24:28,145 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:24:28,145 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:24:28,146 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:24:28,146 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:24:28,146 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:24:28,146 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:24:28,146 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:24:28,150 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 59 transitions, 139 flow [2020-04-18 16:24:29,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18702 states. [2020-04-18 16:24:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 18702 states. [2020-04-18 16:24:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:24:29,640 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:24:29,640 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:24:29,641 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:24:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash -422681177, now seen corresponding path program 1 times [2020-04-18 16:24:29,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:24:29,642 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [660597070] [2020-04-18 16:24:29,643 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:24:29,688 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:24:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-04-18 16:24:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:24:29,690 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:24:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash -422681177, now seen corresponding path program 2 times [2020-04-18 16:24:29,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:24:29,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151507792] [2020-04-18 16:24:29,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:24:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:24:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:24:29,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151507792] [2020-04-18 16:24:29,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:24:29,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:24:29,822 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:24:29,824 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:24:29,834 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:24:29,834 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:24:29,858 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:24:29,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:24:29,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:24:29,864 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2020-04-18 16:24:29,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:24:29,881 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-04-18 16:24:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-04-18 16:24:29,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:24:29,884 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [660597070] [2020-04-18 16:24:29,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:24:29,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:24:29,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [660597070] [2020-04-18 16:24:29,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:24:29,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:24:29,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:24:29,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:24:29,892 INFO L87 Difference]: Start difference. First operand 18702 states. Second operand 3 states. [2020-04-18 16:24:30,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:24:30,112 INFO L93 Difference]: Finished difference Result 11117 states and 38317 transitions. [2020-04-18 16:24:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:24:30,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-04-18 16:24:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:24:30,239 INFO L225 Difference]: With dead ends: 11117 [2020-04-18 16:24:30,239 INFO L226 Difference]: Without dead ends: 11117 [2020-04-18 16:24:30,241 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:24:30,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11117 states. [2020-04-18 16:24:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11117 to 9425. [2020-04-18 16:24:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2020-04-18 16:24:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 32881 transitions. [2020-04-18 16:24:31,031 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 32881 transitions. Word has length 21 [2020-04-18 16:24:31,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:24:31,031 INFO L479 AbstractCegarLoop]: Abstraction has 9425 states and 32881 transitions. [2020-04-18 16:24:31,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:24:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 32881 transitions. [2020-04-18 16:24:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:24:31,038 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:24:31,039 INFO L425 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:24:31,039 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:24:31,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:31,040 INFO L82 PathProgramCache]: Analyzing trace with hash -524476033, now seen corresponding path program 1 times [2020-04-18 16:24:31,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:24:31,041 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [247302881] [2020-04-18 16:24:31,042 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:24:31,042 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 25 transitions. [2020-04-18 16:24:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-04-18 16:24:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:24:31,044 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:24:31,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:24:31,044 INFO L82 PathProgramCache]: Analyzing trace with hash -524476033, now seen corresponding path program 2 times [2020-04-18 16:24:31,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:24:31,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780500026] [2020-04-18 16:24:31,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:24:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:24:31,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:24:31,137 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:24:31,137 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:24:31,138 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:24:31,138 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-18 16:24:31,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,161 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,161 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,165 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,165 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,167 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,167 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,168 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,168 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,169 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,170 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,170 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,170 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,171 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,173 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,173 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,173 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,174 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,174 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,174 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,175 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,186 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,186 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,186 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,187 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,191 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,200 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,200 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,200 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,201 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,201 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,201 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:24:31,204 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 16:24:31,205 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:24:31,205 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:24:31,205 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:24:31,205 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:24:31,206 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:24:31,206 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:24:31,206 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:24:31,206 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:24:31,209 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 72 transitions, 176 flow [2020-04-18 16:27:16,725 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224334 states. [2020-04-18 16:27:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 224334 states. [2020-04-18 16:27:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:27:16,726 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:27:16,726 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:27:16,726 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:27:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:16,727 INFO L82 PathProgramCache]: Analyzing trace with hash 620332539, now seen corresponding path program 1 times [2020-04-18 16:27:16,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:27:16,727 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2116859533] [2020-04-18 16:27:16,728 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:16,728 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:27:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-04-18 16:27:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:27:16,733 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:27:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:16,733 INFO L82 PathProgramCache]: Analyzing trace with hash 620332539, now seen corresponding path program 2 times [2020-04-18 16:27:16,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:27:16,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553680059] [2020-04-18 16:27:16,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:27:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:27:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:27:16,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553680059] [2020-04-18 16:27:16,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:27:16,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:27:16,778 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:27:16,779 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:16,783 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:27:16,783 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:27:16,788 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:27:16,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:16,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:16,789 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2020-04-18 16:27:16,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:16,797 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-04-18 16:27:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-04-18 16:27:16,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:27:16,798 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2116859533] [2020-04-18 16:27:16,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:27:16,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:27:16,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2116859533] [2020-04-18 16:27:16,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:27:16,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:27:16,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:16,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:16,800 INFO L87 Difference]: Start difference. First operand 224334 states. Second operand 3 states. [2020-04-18 16:27:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:18,107 INFO L93 Difference]: Finished difference Result 140789 states and 614377 transitions. [2020-04-18 16:27:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:27:18,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-04-18 16:27:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:27:19,196 INFO L225 Difference]: With dead ends: 140789 [2020-04-18 16:27:19,196 INFO L226 Difference]: Without dead ends: 140789 [2020-04-18 16:27:19,197 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140789 states. [2020-04-18 16:27:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140789 to 116741. [2020-04-18 16:27:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116741 states. [2020-04-18 16:27:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116741 states to 116741 states and 514909 transitions. [2020-04-18 16:27:33,145 INFO L78 Accepts]: Start accepts. Automaton has 116741 states and 514909 transitions. Word has length 21 [2020-04-18 16:27:33,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:27:33,145 INFO L479 AbstractCegarLoop]: Abstraction has 116741 states and 514909 transitions. [2020-04-18 16:27:33,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:27:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 116741 states and 514909 transitions. [2020-04-18 16:27:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:27:33,147 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:27:33,147 INFO L425 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:27:33,147 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:27:33,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:33,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1645742255, now seen corresponding path program 1 times [2020-04-18 16:27:33,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:27:33,148 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1779313826] [2020-04-18 16:27:33,149 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:33,150 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 25 transitions. [2020-04-18 16:27:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-04-18 16:27:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:27:33,151 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:27:33,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1645742255, now seen corresponding path program 2 times [2020-04-18 16:27:33,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:27:33,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963511647] [2020-04-18 16:27:33,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:27:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:27:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-04-18 16:27:33,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963511647] [2020-04-18 16:27:33,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:27:33,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:27:33,206 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:27:33,208 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:33,210 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 25 transitions. [2020-04-18 16:27:33,210 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:27:33,218 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:27:33,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:33,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:33,219 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2020-04-18 16:27:33,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:33,226 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-04-18 16:27:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2020-04-18 16:27:33,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:27:33,227 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1779313826] [2020-04-18 16:27:33,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:27:33,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:27:33,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1779313826] [2020-04-18 16:27:33,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:27:33,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:27:33,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:33,229 INFO L87 Difference]: Start difference. First operand 116741 states and 514909 transitions. Second operand 3 states. [2020-04-18 16:27:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:34,758 INFO L93 Difference]: Finished difference Result 144881 states and 631505 transitions. [2020-04-18 16:27:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:27:34,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-04-18 16:27:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:27:35,218 INFO L225 Difference]: With dead ends: 144881 [2020-04-18 16:27:35,219 INFO L226 Difference]: Without dead ends: 144881 [2020-04-18 16:27:35,220 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:47,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144881 states. [2020-04-18 16:27:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144881 to 120389. [2020-04-18 16:27:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120389 states. [2020-04-18 16:27:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120389 states to 120389 states and 530325 transitions. [2020-04-18 16:27:51,152 INFO L78 Accepts]: Start accepts. Automaton has 120389 states and 530325 transitions. Word has length 25 [2020-04-18 16:27:51,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:27:51,153 INFO L479 AbstractCegarLoop]: Abstraction has 120389 states and 530325 transitions. [2020-04-18 16:27:51,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:27:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 120389 states and 530325 transitions. [2020-04-18 16:27:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:27:51,157 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:27:51,157 INFO L425 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:27:51,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:27:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1233265832, now seen corresponding path program 1 times [2020-04-18 16:27:51,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:27:51,158 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1813546899] [2020-04-18 16:27:51,159 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:51,160 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 29 transitions. [2020-04-18 16:27:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-04-18 16:27:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:27:51,161 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:27:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:27:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1233265832, now seen corresponding path program 2 times [2020-04-18 16:27:51,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:27:51,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175606372] [2020-04-18 16:27:51,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:27:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:27:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-04-18 16:27:51,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175606372] [2020-04-18 16:27:51,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:27:51,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:27:51,215 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:27:51,216 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:27:51,219 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 29 transitions. [2020-04-18 16:27:51,219 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:27:51,223 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:27:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:51,224 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-04-18 16:27:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:51,232 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2020-04-18 16:27:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2020-04-18 16:27:51,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:27:51,232 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1813546899] [2020-04-18 16:27:51,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:27:51,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:27:51,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1813546899] [2020-04-18 16:27:51,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:27:51,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:27:51,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:27:51,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:27:51,234 INFO L87 Difference]: Start difference. First operand 120389 states and 530325 transitions. Second operand 3 states. [2020-04-18 16:27:52,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:27:52,102 INFO L93 Difference]: Finished difference Result 145337 states and 631791 transitions. [2020-04-18 16:27:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:27:52,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-04-18 16:27:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:27:59,254 INFO L225 Difference]: With dead ends: 145337 [2020-04-18 16:27:59,254 INFO L226 Difference]: Without dead ends: 145337 [2020-04-18 16:27:59,255 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:28:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145337 states. [2020-04-18 16:28:04,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145337 to 121343. [2020-04-18 16:28:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121343 states. [2020-04-18 16:28:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121343 states to 121343 states and 532965 transitions. [2020-04-18 16:28:05,986 INFO L78 Accepts]: Start accepts. Automaton has 121343 states and 532965 transitions. Word has length 29 [2020-04-18 16:28:05,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:28:05,987 INFO L479 AbstractCegarLoop]: Abstraction has 121343 states and 532965 transitions. [2020-04-18 16:28:05,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:28:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 121343 states and 532965 transitions. [2020-04-18 16:28:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:28:05,991 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:28:05,991 INFO L425 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:28:05,991 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:28:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:28:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1745426225, now seen corresponding path program 1 times [2020-04-18 16:28:05,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:28:05,992 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [797661808] [2020-04-18 16:28:05,993 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:28:05,994 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 29 transitions. [2020-04-18 16:28:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-04-18 16:28:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:28:05,995 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:28:05,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:28:05,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1745426225, now seen corresponding path program 2 times [2020-04-18 16:28:05,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:28:05,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284666249] [2020-04-18 16:28:05,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:28:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:28:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:28:06,024 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:28:06,024 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:28:06,024 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:28:06,025 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:28:06,025 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-04-18 16:28:06,035 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,036 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,037 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,038 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,039 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,040 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,041 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,042 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,042 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,042 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,042 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,042 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,043 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,044 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,044 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,044 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,044 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,044 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,045 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,046 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,047 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,047 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,047 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,047 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,048 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,048 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,048 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,048 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,048 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,061 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,061 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,061 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,061 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,061 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,062 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,063 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,063 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,064 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,064 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,064 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,064 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,066 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,068 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,068 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,069 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,069 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,069 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,069 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:28:06,071 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 16:28:06,071 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:28:06,071 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:28:06,071 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:28:06,071 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:28:06,072 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:28:06,072 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:28:06,072 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:28:06,072 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:28:06,074 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 85 transitions, 215 flow Received shutdown request... [2020-04-18 16:28:34,000 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 16:28:34,005 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 16:28:34,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:28:34 BasicIcfg [2020-04-18 16:28:34,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:28:34,009 INFO L168 Benchmark]: Toolchain (without parser) took 247635.89 ms. Allocated memory was 144.7 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,010 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.13 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.0 MB in the beginning and 158.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.09 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,013 INFO L168 Benchmark]: Boogie Preprocessor took 26.02 ms. Allocated memory is still 200.8 MB. Free memory was 156.9 MB in the beginning and 155.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,014 INFO L168 Benchmark]: RCFGBuilder took 371.99 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 139.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,014 INFO L168 Benchmark]: TraceAbstraction took 246439.49 ms. Allocated memory was 200.8 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 138.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2020-04-18 16:28:34,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.13 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.0 MB in the beginning and 158.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.09 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.02 ms. Allocated memory is still 200.8 MB. Free memory was 156.9 MB in the beginning and 155.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.99 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 139.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246439.49 ms. Allocated memory was 200.8 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 138.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 680). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 90 places, 85 transitions, 215 flow. Already constructed 121649 states. Currently 28934 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 246.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 195.0s, HoareTripleCheckerStatistics: 353 SDtfs, 146 SDslu, 171 SDs, 0 SdLazy, 94 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224334occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 37.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 74226 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown