/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:38:11,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:38:11,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:38:11,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:38:11,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:38:11,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:38:11,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:38:11,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:38:11,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:38:11,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:38:11,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:38:11,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:38:11,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:38:11,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:38:11,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:38:11,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:38:11,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:38:11,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:38:11,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:38:11,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:38:11,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:38:11,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:38:11,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:38:11,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:38:11,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:38:11,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:38:11,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:38:11,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:38:11,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:38:11,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:38:11,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:38:11,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:38:11,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:38:11,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:38:11,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:38:11,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:38:11,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:38:11,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:38:11,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:38:11,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:38:11,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:38:11,245 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:38:11,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:38:11,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:38:11,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:38:11,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:38:11,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:38:11,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:38:11,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:38:11,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:38:11,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:38:11,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:38:11,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:38:11,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:38:11,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:38:11,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:38:11,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:38:11,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:38:11,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:38:11,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:38:11,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:38:11,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:38:11,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:38:11,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:38:11,250 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:38:11,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:38:11,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:38:11,251 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:38:11,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:38:11,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:38:11,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:38:11,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:38:11,536 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:38:11,537 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i [2020-10-16 12:38:11,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca59b3526/25efa502f781442a9cffea5387796079/FLAG8a5e0b4c8 [2020-10-16 12:38:12,126 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:38:12,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i [2020-10-16 12:38:12,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca59b3526/25efa502f781442a9cffea5387796079/FLAG8a5e0b4c8 [2020-10-16 12:38:12,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca59b3526/25efa502f781442a9cffea5387796079 [2020-10-16 12:38:12,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:38:12,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:38:12,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:38:12,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:38:12,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:38:12,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:38:12" (1/1) ... [2020-10-16 12:38:12,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa613b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:12, skipping insertion in model container [2020-10-16 12:38:12,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:38:12" (1/1) ... [2020-10-16 12:38:12,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:38:12,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:38:12,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:38:12,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:38:13,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:38:13,073 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:38:13,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13 WrapperNode [2020-10-16 12:38:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:38:13,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:38:13,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:38:13,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:38:13,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:38:13,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:38:13,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:38:13,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:38:13,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... [2020-10-16 12:38:13,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:38:13,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:38:13,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:38:13,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:38:13,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:38:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 12:38:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 12:38:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 12:38:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 12:38:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:38:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:38:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:38:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:38:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:38:13,234 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:38:13,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:38:13,586 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-16 12:38:13,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:38:13 BoogieIcfgContainer [2020-10-16 12:38:13,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:38:13,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:38:13,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:38:13,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:38:13,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:38:12" (1/3) ... [2020-10-16 12:38:13,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511d96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:38:13, skipping insertion in model container [2020-10-16 12:38:13,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:38:13" (2/3) ... [2020-10-16 12:38:13,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511d96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:38:13, skipping insertion in model container [2020-10-16 12:38:13,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:38:13" (3/3) ... [2020-10-16 12:38:13,596 INFO L111 eAbstractionObserver]: Analyzing ICFG 27_Boop_simple_vf.i [2020-10-16 12:38:13,606 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:38:13,607 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:38:13,613 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:38:13,614 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:38:13,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,647 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:13,669 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:38:13,680 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 12:38:13,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:38:13,697 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:38:13,697 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:38:13,697 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:38:13,697 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:38:13,698 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:38:13,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:38:13,698 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:38:13,709 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:38:13,710 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 70 transitions, 150 flow [2020-10-16 12:38:13,713 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 70 transitions, 150 flow [2020-10-16 12:38:13,715 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 64 places, 70 transitions, 150 flow [2020-10-16 12:38:13,758 INFO L129 PetriNetUnfolder]: 13/77 cut-off events. [2020-10-16 12:38:13,759 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:38:13,766 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 77 events. 13/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 67. Up to 4 conditions per place. [2020-10-16 12:38:13,770 INFO L117 LiptonReduction]: Number of co-enabled transitions 1776 [2020-10-16 12:38:14,569 INFO L132 LiptonReduction]: Checked pairs total: 2736 [2020-10-16 12:38:14,569 INFO L134 LiptonReduction]: Total number of compositions: 49 [2020-10-16 12:38:14,576 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 32 transitions, 74 flow [2020-10-16 12:38:14,607 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 431 states. [2020-10-16 12:38:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states. [2020-10-16 12:38:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:38:14,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:38:14,618 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 12:38:14,618 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:38:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:38:14,626 INFO L82 PathProgramCache]: Analyzing trace with hash 588737598, now seen corresponding path program 1 times [2020-10-16 12:38:14,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:38:14,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764324633] [2020-10-16 12:38:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:38:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:14,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:14,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:14,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:38:14,819 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:38:14,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:38:14,820 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:38:14,821 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 12:38:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,854 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,854 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:14,871 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:38:14,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:38:14,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:38:14,872 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:38:14,872 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:38:14,872 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:38:14,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:38:14,873 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:38:14,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:38:14,873 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:38:14,876 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:38:14,876 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 116 transitions, 256 flow [2020-10-16 12:38:14,876 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 116 transitions, 256 flow [2020-10-16 12:38:14,877 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 116 transitions, 256 flow [2020-10-16 12:38:14,902 INFO L129 PetriNetUnfolder]: 17/99 cut-off events. [2020-10-16 12:38:14,902 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 12:38:14,904 INFO L80 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 99 events. 17/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 275 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 108. Up to 6 conditions per place. [2020-10-16 12:38:14,910 INFO L117 LiptonReduction]: Number of co-enabled transitions 3160 [2020-10-16 12:38:16,148 INFO L132 LiptonReduction]: Checked pairs total: 6447 [2020-10-16 12:38:16,148 INFO L134 LiptonReduction]: Total number of compositions: 89 [2020-10-16 12:38:16,149 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 49 transitions, 122 flow [2020-10-16 12:38:16,301 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3049 states. [2020-10-16 12:38:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states. [2020-10-16 12:38:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:38:16,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:38:16,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:38:16,305 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:38:16,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:38:16,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1479012722, now seen corresponding path program 1 times [2020-10-16 12:38:16,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:38:16,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743967251] [2020-10-16 12:38:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:38:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:38:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:38:16,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743967251] [2020-10-16 12:38:16,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:38:16,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:38:16,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [666403227] [2020-10-16 12:38:16,379 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:38:16,383 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:38:16,396 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:38:16,396 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:38:16,400 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:38:16,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:38:16,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:38:16,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:38:16,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:38:16,417 INFO L87 Difference]: Start difference. First operand 3049 states. Second operand 3 states. [2020-10-16 12:38:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:38:16,489 INFO L93 Difference]: Finished difference Result 1487 states and 5335 transitions. [2020-10-16 12:38:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:38:16,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:38:16,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:38:16,538 INFO L225 Difference]: With dead ends: 1487 [2020-10-16 12:38:16,538 INFO L226 Difference]: Without dead ends: 1487 [2020-10-16 12:38:16,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:38:16,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2020-10-16 12:38:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1487. [2020-10-16 12:38:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2020-10-16 12:38:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 5335 transitions. [2020-10-16 12:38:16,716 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 5335 transitions. Word has length 9 [2020-10-16 12:38:16,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:38:16,717 INFO L481 AbstractCegarLoop]: Abstraction has 1487 states and 5335 transitions. [2020-10-16 12:38:16,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:38:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 5335 transitions. [2020-10-16 12:38:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:38:16,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:38:16,719 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 12:38:16,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:38:16,720 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:38:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:38:16,720 INFO L82 PathProgramCache]: Analyzing trace with hash 782011181, now seen corresponding path program 1 times [2020-10-16 12:38:16,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:38:16,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838177822] [2020-10-16 12:38:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:38:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:16,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:16,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:16,758 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:38:16,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:38:16,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:38:16,760 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:38:16,761 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 12:38:16,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,789 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,789 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,791 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:16,802 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:38:16,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:38:16,802 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:38:16,802 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:38:16,802 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:38:16,803 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:38:16,803 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:38:16,803 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:38:16,803 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:38:16,803 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:38:16,805 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:38:16,806 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 162 transitions, 366 flow [2020-10-16 12:38:16,806 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 162 transitions, 366 flow [2020-10-16 12:38:16,806 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 142 places, 162 transitions, 366 flow [2020-10-16 12:38:16,827 INFO L129 PetriNetUnfolder]: 21/121 cut-off events. [2020-10-16 12:38:16,827 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 12:38:16,830 INFO L80 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 121 events. 21/121 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 339 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 135. Up to 8 conditions per place. [2020-10-16 12:38:16,837 INFO L117 LiptonReduction]: Number of co-enabled transitions 4856 [2020-10-16 12:38:18,507 INFO L132 LiptonReduction]: Checked pairs total: 10982 [2020-10-16 12:38:18,507 INFO L134 LiptonReduction]: Total number of compositions: 133 [2020-10-16 12:38:18,507 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 66 transitions, 174 flow [2020-10-16 12:38:20,120 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21375 states. [2020-10-16 12:38:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 21375 states. [2020-10-16 12:38:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:38:20,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:38:20,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:38:20,122 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:38:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:38:20,123 INFO L82 PathProgramCache]: Analyzing trace with hash -918684523, now seen corresponding path program 1 times [2020-10-16 12:38:20,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:38:20,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011308641] [2020-10-16 12:38:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:38:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:38:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:38:20,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011308641] [2020-10-16 12:38:20,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:38:20,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:38:20,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1680952956] [2020-10-16 12:38:20,183 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:38:20,183 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:38:20,184 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:38:20,184 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:38:20,185 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:38:20,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:38:20,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:38:20,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:38:20,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:38:20,186 INFO L87 Difference]: Start difference. First operand 21375 states. Second operand 3 states. [2020-10-16 12:38:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:38:20,541 INFO L93 Difference]: Finished difference Result 12224 states and 57289 transitions. [2020-10-16 12:38:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:38:20,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:38:20,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:38:20,699 INFO L225 Difference]: With dead ends: 12224 [2020-10-16 12:38:20,699 INFO L226 Difference]: Without dead ends: 12224 [2020-10-16 12:38:20,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:38:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12224 states. [2020-10-16 12:38:21,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12224 to 12224. [2020-10-16 12:38:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12224 states. [2020-10-16 12:38:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12224 states to 12224 states and 57289 transitions. [2020-10-16 12:38:22,228 INFO L78 Accepts]: Start accepts. Automaton has 12224 states and 57289 transitions. Word has length 9 [2020-10-16 12:38:22,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:38:22,228 INFO L481 AbstractCegarLoop]: Abstraction has 12224 states and 57289 transitions. [2020-10-16 12:38:22,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:38:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 12224 states and 57289 transitions. [2020-10-16 12:38:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:38:22,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:38:22,235 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:38:22,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:38:22,235 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:38:22,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:38:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1003923282, now seen corresponding path program 1 times [2020-10-16 12:38:22,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:38:22,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002587759] [2020-10-16 12:38:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:38:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:22,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:38:22,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:38:22,290 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:38:22,290 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:38:22,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:38:22,291 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:38:22,292 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 12:38:22,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,306 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,306 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,311 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,311 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,316 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,319 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,319 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,330 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:38:22,346 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:38:22,347 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:38:22,347 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:38:22,347 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:38:22,347 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:38:22,347 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:38:22,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:38:22,348 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:38:22,348 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:38:22,348 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:38:22,350 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:38:22,350 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 208 transitions, 480 flow [2020-10-16 12:38:22,350 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 208 transitions, 480 flow [2020-10-16 12:38:22,350 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 181 places, 208 transitions, 480 flow [2020-10-16 12:38:22,374 INFO L129 PetriNetUnfolder]: 25/143 cut-off events. [2020-10-16 12:38:22,374 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 12:38:22,377 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 143 events. 25/143 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 410 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 163. Up to 10 conditions per place. [2020-10-16 12:38:22,386 INFO L117 LiptonReduction]: Number of co-enabled transitions 6864 [2020-10-16 12:38:23,727 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-16 12:38:24,466 INFO L132 LiptonReduction]: Checked pairs total: 16972 [2020-10-16 12:38:24,467 INFO L134 LiptonReduction]: Total number of compositions: 170 [2020-10-16 12:38:24,467 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 83 transitions, 230 flow [2020-10-16 12:39:10,763 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 149657 states. [2020-10-16 12:39:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 149657 states. [2020-10-16 12:39:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:39:10,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:10,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:10,765 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:39:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:10,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1267788696, now seen corresponding path program 1 times [2020-10-16 12:39:10,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:10,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017803987] [2020-10-16 12:39:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:39:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:39:10,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017803987] [2020-10-16 12:39:10,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:39:10,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:39:10,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1750680705] [2020-10-16 12:39:10,799 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:39:10,800 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:39:10,800 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:39:10,801 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:39:10,801 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:39:10,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:39:10,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:39:10,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:39:10,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:10,802 INFO L87 Difference]: Start difference. First operand 149657 states. Second operand 3 states. [2020-10-16 12:39:15,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:39:15,445 INFO L93 Difference]: Finished difference Result 96491 states and 561715 transitions. [2020-10-16 12:39:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:39:15,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:39:15,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:39:16,163 INFO L225 Difference]: With dead ends: 96491 [2020-10-16 12:39:16,163 INFO L226 Difference]: Without dead ends: 96491 [2020-10-16 12:39:16,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96491 states. [2020-10-16 12:39:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96491 to 96491. [2020-10-16 12:39:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96491 states. [2020-10-16 12:39:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96491 states to 96491 states and 561715 transitions. [2020-10-16 12:39:24,715 INFO L78 Accepts]: Start accepts. Automaton has 96491 states and 561715 transitions. Word has length 9 [2020-10-16 12:39:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:39:24,715 INFO L481 AbstractCegarLoop]: Abstraction has 96491 states and 561715 transitions. [2020-10-16 12:39:24,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:39:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 96491 states and 561715 transitions. [2020-10-16 12:39:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:39:24,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:24,720 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:24,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:39:24,721 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:39:24,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:24,721 INFO L82 PathProgramCache]: Analyzing trace with hash 260991684, now seen corresponding path program 1 times [2020-10-16 12:39:24,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:24,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49581977] [2020-10-16 12:39:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:24,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:24,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:24,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:39:24,754 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:39:24,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:39:24,755 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:39:24,755 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 12:39:24,768 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,768 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,768 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,769 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,770 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,772 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,795 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:24,807 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:39:24,807 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 12:39:24,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:39:24,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:39:24,808 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:39:24,808 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:39:24,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:39:24,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:39:24,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:39:24,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:39:24,811 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:39:24,811 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 254 transitions, 598 flow [2020-10-16 12:39:24,811 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 254 transitions, 598 flow [2020-10-16 12:39:24,811 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 220 places, 254 transitions, 598 flow [2020-10-16 12:39:24,834 INFO L129 PetriNetUnfolder]: 29/165 cut-off events. [2020-10-16 12:39:24,834 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 12:39:24,837 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 165 events. 29/165 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 463 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 192. Up to 12 conditions per place. [2020-10-16 12:39:24,847 INFO L117 LiptonReduction]: Number of co-enabled transitions 9184 [2020-10-16 12:39:27,337 INFO L132 LiptonReduction]: Checked pairs total: 26499 [2020-10-16 12:39:27,337 INFO L134 LiptonReduction]: Total number of compositions: 213 [2020-10-16 12:39:27,338 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 100 transitions, 290 flow Received shutdown request... [2020-10-16 12:42:26,515 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 12:42:26,523 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 12:42:26,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:42:26 BasicIcfg [2020-10-16 12:42:26,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:42:26,526 INFO L168 Benchmark]: Toolchain (without parser) took 254083.07 ms. Allocated memory was 142.1 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 102.3 MB in the beginning and 1.0 GB in the end (delta: -906.6 MB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,527 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.38 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 163.5 MB in the end (delta: -61.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.49 ms. Allocated memory is still 205.5 MB. Free memory was 163.5 MB in the beginning and 161.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,537 INFO L168 Benchmark]: Boogie Preprocessor took 33.24 ms. Allocated memory is still 205.5 MB. Free memory was 161.7 MB in the beginning and 159.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,538 INFO L168 Benchmark]: RCFGBuilder took 426.97 ms. Allocated memory is still 205.5 MB. Free memory was 159.9 MB in the beginning and 139.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,539 INFO L168 Benchmark]: TraceAbstraction took 252934.83 ms. Allocated memory was 205.5 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 138.4 MB in the beginning and 1.0 GB in the end (delta: -870.5 MB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. [2020-10-16 12:42:26,550 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.38 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 163.5 MB in the end (delta: -61.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.49 ms. Allocated memory is still 205.5 MB. Free memory was 163.5 MB in the beginning and 161.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.24 ms. Allocated memory is still 205.5 MB. Free memory was 161.7 MB in the beginning and 159.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.97 ms. Allocated memory is still 205.5 MB. Free memory was 159.9 MB in the beginning and 139.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252934.83 ms. Allocated memory was 205.5 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 138.4 MB in the beginning and 1.0 GB in the end (delta: -870.5 MB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 795 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 84 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 64 PlacesBefore, 31 PlacesAfterwards, 70 TransitionsBefore, 32 TransitionsAfterwards, 1776 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 49 TotalNumberOfCompositions, 2736 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1477 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 138 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 103 PlacesBefore, 47 PlacesAfterwards, 116 TransitionsBefore, 49 TransitionsAfterwards, 3160 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 14 ConcurrentYvCompositions, 11 ChoiceCompositions, 89 TotalNumberOfCompositions, 6447 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2191 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 224 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 142 PlacesBefore, 63 PlacesAfterwards, 162 TransitionsBefore, 66 TransitionsAfterwards, 4856 CoEnabledTransitionPairs, 5 FixpointIterations, 58 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 16 ConcurrentYvCompositions, 17 ChoiceCompositions, 133 TotalNumberOfCompositions, 10982 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3150 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 547 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 181 PlacesBefore, 79 PlacesAfterwards, 208 TransitionsBefore, 83 TransitionsAfterwards, 6864 CoEnabledTransitionPairs, 5 FixpointIterations, 86 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 16 ConcurrentYvCompositions, 23 ChoiceCompositions, 170 TotalNumberOfCompositions, 16972 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4394 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 750 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 220 PlacesBefore, 95 PlacesAfterwards, 254 TransitionsBefore, 100 TransitionsAfterwards, 9184 CoEnabledTransitionPairs, 6 FixpointIterations, 108 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 21 ConcurrentYvCompositions, 29 ChoiceCompositions, 213 TotalNumberOfCompositions, 26499 MoverChecksTotal - TimeoutResultAtElement [Line: 699]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 699). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 95 places, 100 transitions, 290 flow. Already constructed 370798 states. Currently 87065 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 252.6s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 235.7s, HoareTripleCheckerStatistics: 135 SDtfs, 87 SDslu, 111 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149657occurred 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: 10.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown