/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-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:52:10,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:52:10,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:52:10,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:52:10,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:52:10,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:52:10,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:52:10,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:52:10,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:52:10,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:52:10,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:52:10,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:52:10,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:52:10,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:52:10,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:52:10,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:52:10,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:52:10,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:52:10,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:52:10,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:52:10,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:52:10,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:52:10,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:52:10,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:52:10,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 13:52:10,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:52:10,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:52:10,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:52:10,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:52:10,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:52:10,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:52:10,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:52:10,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:52:10,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:52:10,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:52:10,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:52:10,388 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 13:52:10,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:52:10,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:52:10,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:52:10,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:52:10,436 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:52:10,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:52:10,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:52:10,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:52:10,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:52:10,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:52:10,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:52:10,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:52:10,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:52:10,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:52:10,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:52:10,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:52:10,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:52:10,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:52:10,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:52:10,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:52:10,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:52:10,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:52:10,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:52:10,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:52:10,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:52:10,443 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:52:10,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:52:10,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:52:10,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:52:10,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:52:10,791 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:52:10,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2020-10-16 13:52:10,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822ea333a/c34f5364e2a6494b854a9cf3343fdcc1/FLAG51186b28a [2020-10-16 13:52:11,452 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:52:11,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2020-10-16 13:52:11,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822ea333a/c34f5364e2a6494b854a9cf3343fdcc1/FLAG51186b28a [2020-10-16 13:52:11,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822ea333a/c34f5364e2a6494b854a9cf3343fdcc1 [2020-10-16 13:52:11,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:52:11,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:52:11,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:11,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:52:11,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:52:11,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:11" (1/1) ... [2020-10-16 13:52:11,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15021b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:11, skipping insertion in model container [2020-10-16 13:52:11,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:11" (1/1) ... [2020-10-16 13:52:11,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:52:11,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:52:12,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:12,456 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:52:12,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:12,680 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:52:12,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12 WrapperNode [2020-10-16 13:52:12,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:12,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:12,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:52:12,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:52:12,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:12,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:52:12,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:52:12,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:52:12,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (1/1) ... [2020-10-16 13:52:12,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:52:12,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:52:12,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:52:12,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:52:12,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (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 13:52:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:52:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2020-10-16 13:52:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2020-10-16 13:52:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:52:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:52:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:52:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 13:52:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:52:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-16 13:52:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:52:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:52:12,858 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 13:52:13,333 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:52:13,334 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-16 13:52:13,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:13 BoogieIcfgContainer [2020-10-16 13:52:13,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:52:13,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:52:13,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:52:13,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:52:13,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:52:11" (1/3) ... [2020-10-16 13:52:13,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c2455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:13, skipping insertion in model container [2020-10-16 13:52:13,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:12" (2/3) ... [2020-10-16 13:52:13,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c2455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:13, skipping insertion in model container [2020-10-16 13:52:13,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:13" (3/3) ... [2020-10-16 13:52:13,346 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2020-10-16 13:52:13,359 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:52:13,359 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:52:13,367 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:52:13,369 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:52:13,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,395 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,395 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,395 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,395 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,396 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,396 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,396 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,397 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,397 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,397 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,398 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,398 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,400 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,400 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,401 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,401 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,401 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,402 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,402 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,402 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,402 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,403 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,403 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,403 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,404 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,404 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,404 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,408 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,408 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,409 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,409 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,409 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,409 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,410 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,410 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,410 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,410 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,410 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:13,413 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:52:13,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 13:52:13,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:13,442 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:13,443 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:13,443 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:13,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:13,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:13,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:13,443 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:13,455 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:13,456 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 67 transitions, 139 flow [2020-10-16 13:52:13,459 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 67 transitions, 139 flow [2020-10-16 13:52:13,461 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 64 places, 67 transitions, 139 flow [2020-10-16 13:52:13,523 INFO L129 PetriNetUnfolder]: 7/76 cut-off events. [2020-10-16 13:52:13,523 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:52:13,529 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 7/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 39. Up to 4 conditions per place. [2020-10-16 13:52:13,531 INFO L117 LiptonReduction]: Number of co-enabled transitions 638 [2020-10-16 13:52:15,085 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-16 13:52:15,486 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2020-10-16 13:52:15,565 INFO L132 LiptonReduction]: Checked pairs total: 794 [2020-10-16 13:52:15,565 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-16 13:52:15,572 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 12 transitions, 29 flow [2020-10-16 13:52:15,582 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34 states. [2020-10-16 13:52:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-16 13:52:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:52:15,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:15,592 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-16 13:52:15,593 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:15,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:15,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1090980617, now seen corresponding path program 1 times [2020-10-16 13:52:15,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:15,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447254913] [2020-10-16 13:52:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:15,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:15,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:15,827 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:52:15,828 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:52:15,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:52:15,829 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:52:15,830 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 13:52:15,831 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 13:52:15,839 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,840 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,840 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,840 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,840 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,840 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,841 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,841 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,841 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,841 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,841 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,842 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,842 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,842 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,842 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,844 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,844 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,844 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,845 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,847 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,848 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,848 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,848 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,848 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,848 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,849 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,849 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,849 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,850 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,851 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,851 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,852 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,852 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,853 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,853 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,853 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,853 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,853 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,854 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,854 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,854 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,855 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,855 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,856 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,856 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,857 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,857 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,860 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,861 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,861 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,861 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,862 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,862 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,862 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,862 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,862 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,863 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,863 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:15,865 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:52:15,865 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 13:52:15,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:15,866 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:15,866 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:15,866 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:15,866 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:15,866 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:15,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:15,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:15,869 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:15,869 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 97 transitions, 206 flow [2020-10-16 13:52:15,869 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 97 transitions, 206 flow [2020-10-16 13:52:15,870 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 97 transitions, 206 flow [2020-10-16 13:52:15,896 INFO L129 PetriNetUnfolder]: 12/116 cut-off events. [2020-10-16 13:52:15,897 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 13:52:15,899 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 12/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 77. Up to 6 conditions per place. [2020-10-16 13:52:15,903 INFO L117 LiptonReduction]: Number of co-enabled transitions 3016 [2020-10-16 13:52:17,300 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-16 13:52:17,554 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-16 13:52:17,631 INFO L132 LiptonReduction]: Checked pairs total: 8801 [2020-10-16 13:52:17,632 INFO L134 LiptonReduction]: Total number of compositions: 83 [2020-10-16 13:52:17,632 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 31 transitions, 74 flow [2020-10-16 13:52:17,688 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2020-10-16 13:52:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2020-10-16 13:52:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:17,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:17,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:17,693 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:17,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:17,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1624833255, now seen corresponding path program 1 times [2020-10-16 13:52:17,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:17,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994641857] [2020-10-16 13:52:17,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:17,914 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 13:52:17,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994641857] [2020-10-16 13:52:17,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:17,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:17,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [866771767] [2020-10-16 13:52:17,917 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:17,921 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:17,937 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:52:17,938 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:17,942 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:17,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:17,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:17,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:17,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:17,962 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 3 states. [2020-10-16 13:52:18,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:18,013 INFO L93 Difference]: Finished difference Result 661 states and 1837 transitions. [2020-10-16 13:52:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:18,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:52:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:18,055 INFO L225 Difference]: With dead ends: 661 [2020-10-16 13:52:18,056 INFO L226 Difference]: Without dead ends: 661 [2020-10-16 13:52:18,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:52:18,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-16 13:52:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 614. [2020-10-16 13:52:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-16 13:52:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 1753 transitions. [2020-10-16 13:52:18,169 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 1753 transitions. Word has length 9 [2020-10-16 13:52:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:18,171 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 1753 transitions. [2020-10-16 13:52:18,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1753 transitions. [2020-10-16 13:52:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:18,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:18,173 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-16 13:52:18,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:52:18,173 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:18,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1939055541, now seen corresponding path program 1 times [2020-10-16 13:52:18,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:18,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174802737] [2020-10-16 13:52:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:18,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:18,203 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:18,211 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:52:18,211 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:52:18,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:52:18,213 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:52:18,213 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 13:52:18,214 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 13:52:18,222 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,222 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,223 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,223 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,223 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,223 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,223 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,224 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,225 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,226 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,227 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,228 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,228 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,228 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,228 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,229 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,229 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,229 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,229 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,229 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,230 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,231 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,232 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,233 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,234 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,235 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,236 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,237 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,238 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,238 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,238 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,238 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,238 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,239 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,239 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,239 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,239 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,239 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,240 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,240 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,240 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,240 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,241 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,242 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,242 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,242 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,242 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,243 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,244 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,245 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,245 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,245 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,245 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,247 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,248 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,248 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,248 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,248 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,248 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:18,249 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:52:18,250 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 13:52:18,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:18,250 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:18,251 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:18,251 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:18,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:18,251 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:18,251 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:18,251 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:18,253 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:18,253 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 127 transitions, 275 flow [2020-10-16 13:52:18,253 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 127 transitions, 275 flow [2020-10-16 13:52:18,254 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 127 transitions, 275 flow [2020-10-16 13:52:18,283 INFO L129 PetriNetUnfolder]: 17/156 cut-off events. [2020-10-16 13:52:18,284 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 13:52:18,286 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 156 events. 17/156 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 420 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 120. Up to 8 conditions per place. [2020-10-16 13:52:18,294 INFO L117 LiptonReduction]: Number of co-enabled transitions 7134 [2020-10-16 13:52:20,056 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-16 13:52:20,429 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2020-10-16 13:52:20,532 INFO L132 LiptonReduction]: Checked pairs total: 23168 [2020-10-16 13:52:20,532 INFO L134 LiptonReduction]: Total number of compositions: 113 [2020-10-16 13:52:20,532 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 109 flow [2020-10-16 13:52:21,021 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2020-10-16 13:52:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2020-10-16 13:52:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:21,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:21,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:21,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:21,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:21,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1601323978, now seen corresponding path program 1 times [2020-10-16 13:52:21,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:21,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903963910] [2020-10-16 13:52:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:21,062 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 13:52:21,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903963910] [2020-10-16 13:52:21,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:21,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:21,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [28893051] [2020-10-16 13:52:21,064 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:21,065 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:21,066 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:52:21,066 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:21,067 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:21,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:21,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:21,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:21,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:21,068 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 3 states. [2020-10-16 13:52:21,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:21,197 INFO L93 Difference]: Finished difference Result 7283 states and 28157 transitions. [2020-10-16 13:52:21,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:21,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:52:21,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:21,283 INFO L225 Difference]: With dead ends: 7283 [2020-10-16 13:52:21,283 INFO L226 Difference]: Without dead ends: 7283 [2020-10-16 13:52:21,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:52:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7283 states. [2020-10-16 13:52:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7283 to 6763. [2020-10-16 13:52:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6763 states. [2020-10-16 13:52:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 26666 transitions. [2020-10-16 13:52:21,671 INFO L78 Accepts]: Start accepts. Automaton has 6763 states and 26666 transitions. Word has length 9 [2020-10-16 13:52:21,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:21,671 INFO L481 AbstractCegarLoop]: Abstraction has 6763 states and 26666 transitions. [2020-10-16 13:52:21,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 6763 states and 26666 transitions. [2020-10-16 13:52:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:52:21,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:21,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:21,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:52:21,678 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:21,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:21,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1617516171, now seen corresponding path program 1 times [2020-10-16 13:52:21,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:21,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824416498] [2020-10-16 13:52:21,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:21,754 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 13:52:21,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824416498] [2020-10-16 13:52:21,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:21,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:21,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1929566274] [2020-10-16 13:52:21,755 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:21,757 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:21,759 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-16 13:52:21,759 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:21,760 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:21,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:21,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:21,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:21,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:21,761 INFO L87 Difference]: Start difference. First operand 6763 states and 26666 transitions. Second operand 3 states. [2020-10-16 13:52:22,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:22,024 INFO L93 Difference]: Finished difference Result 7279 states and 28669 transitions. [2020-10-16 13:52:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:22,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 13:52:22,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:22,092 INFO L225 Difference]: With dead ends: 7279 [2020-10-16 13:52:22,092 INFO L226 Difference]: Without dead ends: 7279 [2020-10-16 13:52:22,093 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 13:52:22,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7279 states. [2020-10-16 13:52:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7279 to 7279. [2020-10-16 13:52:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7279 states. [2020-10-16 13:52:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7279 states to 7279 states and 28669 transitions. [2020-10-16 13:52:22,428 INFO L78 Accepts]: Start accepts. Automaton has 7279 states and 28669 transitions. Word has length 12 [2020-10-16 13:52:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:22,428 INFO L481 AbstractCegarLoop]: Abstraction has 7279 states and 28669 transitions. [2020-10-16 13:52:22,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7279 states and 28669 transitions. [2020-10-16 13:52:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:52:22,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:22,430 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:22,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:52:22,431 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:22,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:22,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1543563690, now seen corresponding path program 1 times [2020-10-16 13:52:22,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:22,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954080493] [2020-10-16 13:52:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 13:52:22,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954080493] [2020-10-16 13:52:22,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:22,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:22,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [601641827] [2020-10-16 13:52:22,466 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:22,467 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:22,468 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-16 13:52:22,469 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:22,469 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:22,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:22,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:22,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:22,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:22,470 INFO L87 Difference]: Start difference. First operand 7279 states and 28669 transitions. Second operand 3 states. [2020-10-16 13:52:22,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:22,573 INFO L93 Difference]: Finished difference Result 9253 states and 35628 transitions. [2020-10-16 13:52:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:22,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 13:52:22,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:22,629 INFO L225 Difference]: With dead ends: 9253 [2020-10-16 13:52:22,629 INFO L226 Difference]: Without dead ends: 9253 [2020-10-16 13:52:22,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:52:22,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2020-10-16 13:52:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 8595. [2020-10-16 13:52:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8595 states. [2020-10-16 13:52:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8595 states to 8595 states and 33747 transitions. [2020-10-16 13:52:23,613 INFO L78 Accepts]: Start accepts. Automaton has 8595 states and 33747 transitions. Word has length 12 [2020-10-16 13:52:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:23,614 INFO L481 AbstractCegarLoop]: Abstraction has 8595 states and 33747 transitions. [2020-10-16 13:52:23,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8595 states and 33747 transitions. [2020-10-16 13:52:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:52:23,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:23,615 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-16 13:52:23,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:52:23,616 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:23,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1327548096, now seen corresponding path program 1 times [2020-10-16 13:52:23,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:23,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485233513] [2020-10-16 13:52:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:23,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:23,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:23,651 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:52:23,652 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:52:23,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:52:23,652 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:52:23,652 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 13:52:23,653 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 13:52:23,662 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,662 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,662 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,662 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,663 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,664 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,665 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,666 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,667 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,668 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,668 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,668 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,669 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,670 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,671 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,672 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,673 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,673 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,673 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,673 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,673 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,674 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,676 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,677 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,677 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,677 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,678 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,679 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,679 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,679 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,680 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,683 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,683 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,683 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,683 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,683 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,684 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,684 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,684 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,689 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,690 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,691 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,692 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,693 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,694 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,694 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,694 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,694 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,694 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,695 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:23,696 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:52:23,697 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 13:52:23,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:23,697 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:23,697 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:23,697 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:23,698 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:23,698 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:23,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:23,698 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:23,700 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:23,700 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 157 transitions, 346 flow [2020-10-16 13:52:23,700 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 157 transitions, 346 flow [2020-10-16 13:52:23,700 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 148 places, 157 transitions, 346 flow [2020-10-16 13:52:23,737 INFO L129 PetriNetUnfolder]: 22/196 cut-off events. [2020-10-16 13:52:23,737 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 13:52:23,741 INFO L80 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 196 events. 22/196 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 599 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 164. Up to 10 conditions per place. [2020-10-16 13:52:23,754 INFO L117 LiptonReduction]: Number of co-enabled transitions 12992 [2020-10-16 13:52:25,383 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-10-16 13:52:26,073 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-16 13:52:26,162 INFO L132 LiptonReduction]: Checked pairs total: 40210 [2020-10-16 13:52:26,162 INFO L134 LiptonReduction]: Total number of compositions: 136 [2020-10-16 13:52:26,163 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 58 transitions, 148 flow [2020-10-16 13:52:43,113 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 79061 states. [2020-10-16 13:52:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 79061 states. [2020-10-16 13:52:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:43,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:43,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:43,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:43,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2030461824, now seen corresponding path program 1 times [2020-10-16 13:52:43,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:43,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482814194] [2020-10-16 13:52:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:43,149 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 13:52:43,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482814194] [2020-10-16 13:52:43,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:43,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:43,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [397753508] [2020-10-16 13:52:43,151 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:43,151 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:43,153 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:52:43,153 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:43,153 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:43,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:43,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:43,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:43,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:43,154 INFO L87 Difference]: Start difference. First operand 79061 states. Second operand 3 states. [2020-10-16 13:52:43,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:43,796 INFO L93 Difference]: Finished difference Result 80125 states and 397141 transitions. [2020-10-16 13:52:43,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:43,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:52:43,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:46,826 INFO L225 Difference]: With dead ends: 80125 [2020-10-16 13:52:46,826 INFO L226 Difference]: Without dead ends: 80125 [2020-10-16 13:52:46,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:52:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80125 states. [2020-10-16 13:52:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80125 to 74402. [2020-10-16 13:52:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74402 states. [2020-10-16 13:52:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74402 states to 74402 states and 374497 transitions. [2020-10-16 13:52:51,424 INFO L78 Accepts]: Start accepts. Automaton has 74402 states and 374497 transitions. Word has length 9 [2020-10-16 13:52:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:51,424 INFO L481 AbstractCegarLoop]: Abstraction has 74402 states and 374497 transitions. [2020-10-16 13:52:51,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 74402 states and 374497 transitions. [2020-10-16 13:52:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:52:51,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:51,425 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:51,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 13:52:51,425 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:51,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:51,426 INFO L82 PathProgramCache]: Analyzing trace with hash 644097770, now seen corresponding path program 1 times [2020-10-16 13:52:51,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:51,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104085755] [2020-10-16 13:52:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 13:52:51,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104085755] [2020-10-16 13:52:51,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:51,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:51,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1123181199] [2020-10-16 13:52:51,457 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:51,458 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:51,460 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-16 13:52:51,460 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:51,460 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:51,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:51,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:51,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:51,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:51,461 INFO L87 Difference]: Start difference. First operand 74402 states and 374497 transitions. Second operand 3 states. [2020-10-16 13:52:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:55,883 INFO L93 Difference]: Finished difference Result 94682 states and 468006 transitions. [2020-10-16 13:52:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:55,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 13:52:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:56,363 INFO L225 Difference]: With dead ends: 94682 [2020-10-16 13:52:56,364 INFO L226 Difference]: Without dead ends: 94682 [2020-10-16 13:52:56,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:52:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94682 states. [2020-10-16 13:53:00,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94682 to 87922. [2020-10-16 13:53:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87922 states. [2020-10-16 13:53:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87922 states to 87922 states and 441343 transitions. [2020-10-16 13:53:01,047 INFO L78 Accepts]: Start accepts. Automaton has 87922 states and 441343 transitions. Word has length 12 [2020-10-16 13:53:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:01,047 INFO L481 AbstractCegarLoop]: Abstraction has 87922 states and 441343 transitions. [2020-10-16 13:53:01,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 87922 states and 441343 transitions. [2020-10-16 13:53:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:53:01,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:01,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:01,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 13:53:01,048 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1024866007, now seen corresponding path program 1 times [2020-10-16 13:53:01,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:01,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211088019] [2020-10-16 13:53:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:01,079 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 13:53:01,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211088019] [2020-10-16 13:53:01,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:01,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:01,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [187915191] [2020-10-16 13:53:01,080 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:01,082 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:01,083 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-16 13:53:01,084 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:01,084 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:01,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:01,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:01,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:01,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:01,085 INFO L87 Difference]: Start difference. First operand 87922 states and 441343 transitions. Second operand 3 states. [2020-10-16 13:53:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:05,226 INFO L93 Difference]: Finished difference Result 94681 states and 474764 transitions. [2020-10-16 13:53:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:05,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 13:53:05,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:05,641 INFO L225 Difference]: With dead ends: 94681 [2020-10-16 13:53:05,642 INFO L226 Difference]: Without dead ends: 94681 [2020-10-16 13:53:05,642 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 13:53:07,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94681 states. [2020-10-16 13:53:12,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94681 to 94681. [2020-10-16 13:53:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94681 states. [2020-10-16 13:53:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94681 states to 94681 states and 474764 transitions. [2020-10-16 13:53:13,332 INFO L78 Accepts]: Start accepts. Automaton has 94681 states and 474764 transitions. Word has length 12 [2020-10-16 13:53:13,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:13,332 INFO L481 AbstractCegarLoop]: Abstraction has 94681 states and 474764 transitions. [2020-10-16 13:53:13,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 94681 states and 474764 transitions. [2020-10-16 13:53:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 13:53:13,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:13,335 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:13,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 13:53:13,335 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:13,336 INFO L82 PathProgramCache]: Analyzing trace with hash -647515050, now seen corresponding path program 1 times [2020-10-16 13:53:13,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:13,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555659509] [2020-10-16 13:53:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:13,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555659509] [2020-10-16 13:53:13,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:13,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:13,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [81406011] [2020-10-16 13:53:13,404 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:13,406 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:13,409 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 30 transitions. [2020-10-16 13:53:13,409 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:13,432 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:13,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:53:13,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:13,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:53:13,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:53:13,433 INFO L87 Difference]: Start difference. First operand 94681 states and 474764 transitions. Second operand 5 states. [2020-10-16 13:53:15,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:15,622 INFO L93 Difference]: Finished difference Result 97858 states and 490029 transitions. [2020-10-16 13:53:15,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:53:15,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 13:53:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:16,088 INFO L225 Difference]: With dead ends: 97858 [2020-10-16 13:53:16,088 INFO L226 Difference]: Without dead ends: 97858 [2020-10-16 13:53:16,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:53:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97858 states. [2020-10-16 13:53:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97858 to 92039. [2020-10-16 13:53:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92039 states. [2020-10-16 13:53:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92039 states to 92039 states and 461374 transitions. [2020-10-16 13:53:25,634 INFO L78 Accepts]: Start accepts. Automaton has 92039 states and 461374 transitions. Word has length 14 [2020-10-16 13:53:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:25,634 INFO L481 AbstractCegarLoop]: Abstraction has 92039 states and 461374 transitions. [2020-10-16 13:53:25,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:53:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 92039 states and 461374 transitions. [2020-10-16 13:53:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 13:53:25,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:25,637 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:25,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 13:53:25,637 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:25,638 INFO L82 PathProgramCache]: Analyzing trace with hash 603520936, now seen corresponding path program 1 times [2020-10-16 13:53:25,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:25,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332430406] [2020-10-16 13:53:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 13:53:25,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332430406] [2020-10-16 13:53:25,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:25,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:25,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [534533013] [2020-10-16 13:53:25,686 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:25,687 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:25,690 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-16 13:53:25,690 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:25,691 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:25,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:25,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:25,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:25,692 INFO L87 Difference]: Start difference. First operand 92039 states and 461374 transitions. Second operand 3 states. [2020-10-16 13:53:26,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:26,469 INFO L93 Difference]: Finished difference Result 99279 states and 497204 transitions. [2020-10-16 13:53:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:26,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-16 13:53:26,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:26,888 INFO L225 Difference]: With dead ends: 99279 [2020-10-16 13:53:26,888 INFO L226 Difference]: Without dead ends: 99279 [2020-10-16 13:53:26,889 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 13:53:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99279 states. [2020-10-16 13:53:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99279 to 99279. [2020-10-16 13:53:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99279 states. [2020-10-16 13:53:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99279 states to 99279 states and 497204 transitions. [2020-10-16 13:53:36,357 INFO L78 Accepts]: Start accepts. Automaton has 99279 states and 497204 transitions. Word has length 15 [2020-10-16 13:53:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:36,358 INFO L481 AbstractCegarLoop]: Abstraction has 99279 states and 497204 transitions. [2020-10-16 13:53:36,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 99279 states and 497204 transitions. [2020-10-16 13:53:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 13:53:36,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:36,362 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:36,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 13:53:36,362 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:36,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1936790882, now seen corresponding path program 1 times [2020-10-16 13:53:36,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:36,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313500786] [2020-10-16 13:53:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-16 13:53:36,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313500786] [2020-10-16 13:53:36,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:36,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:36,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1985846861] [2020-10-16 13:53:36,426 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:36,428 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:36,429 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-16 13:53:36,429 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:36,430 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:36,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:36,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:36,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:36,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:36,431 INFO L87 Difference]: Start difference. First operand 99279 states and 497204 transitions. Second operand 3 states. [2020-10-16 13:53:38,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:38,540 INFO L93 Difference]: Finished difference Result 125619 states and 618270 transitions. [2020-10-16 13:53:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:38,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-16 13:53:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:39,048 INFO L225 Difference]: With dead ends: 125619 [2020-10-16 13:53:39,048 INFO L226 Difference]: Without dead ends: 125619 [2020-10-16 13:53:39,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:53:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125619 states. [2020-10-16 13:53:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125619 to 116839. [2020-10-16 13:53:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116839 states. [2020-10-16 13:53:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116839 states to 116839 states and 583768 transitions. [2020-10-16 13:53:49,618 INFO L78 Accepts]: Start accepts. Automaton has 116839 states and 583768 transitions. Word has length 15 [2020-10-16 13:53:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:49,618 INFO L481 AbstractCegarLoop]: Abstraction has 116839 states and 583768 transitions. [2020-10-16 13:53:49,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 116839 states and 583768 transitions. [2020-10-16 13:53:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 13:53:49,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:49,621 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:49,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 13:53:49,621 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:49,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:49,622 INFO L82 PathProgramCache]: Analyzing trace with hash -513167466, now seen corresponding path program 1 times [2020-10-16 13:53:49,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:49,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744694902] [2020-10-16 13:53:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:53:49,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:53:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:53:49,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:53:49,652 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:53:49,652 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:53:49,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 13:53:49,653 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:53:49,653 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 13:53:49,653 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 13:53:49,664 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,664 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,666 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,669 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,671 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,672 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,673 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,674 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,675 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,677 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,678 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,679 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,680 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,682 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,683 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,683 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,683 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,685 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,685 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,685 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,685 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,688 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,689 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,690 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,690 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,690 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,697 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,697 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,697 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,697 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,697 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:49,698 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,837 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,838 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,838 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,838 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,838 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,842 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,842 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,842 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,844 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,845 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,845 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,846 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:50,847 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:53:50,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 13:53:50,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:53:50,848 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:53:50,848 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:53:50,848 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:53:50,848 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:53:50,848 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:53:50,848 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:53:50,849 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:53:50,850 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:53:50,850 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 187 transitions, 419 flow [2020-10-16 13:53:50,850 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 187 transitions, 419 flow [2020-10-16 13:53:50,851 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 176 places, 187 transitions, 419 flow [2020-10-16 13:53:50,897 INFO L129 PetriNetUnfolder]: 27/236 cut-off events. [2020-10-16 13:53:50,897 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 13:53:50,902 INFO L80 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 236 events. 27/236 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 813 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 209. Up to 12 conditions per place. [2020-10-16 13:53:50,919 INFO L117 LiptonReduction]: Number of co-enabled transitions 20590 [2020-10-16 13:53:53,210 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-16 13:53:53,301 INFO L132 LiptonReduction]: Checked pairs total: 64709 [2020-10-16 13:53:53,301 INFO L134 LiptonReduction]: Total number of compositions: 159 [2020-10-16 13:53:53,302 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 70 transitions, 185 flow Received shutdown request... [2020-10-16 13:56:01,542 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 13:56:01,547 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 13:56:01,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:56:01 BasicIcfg [2020-10-16 13:56:01,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:56:01,553 INFO L168 Benchmark]: Toolchain (without parser) took 229791.79 ms. Allocated memory was 140.5 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 101.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,554 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:56:01,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.78 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 136.9 MB in the end (delta: -35.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.46 ms. Allocated memory is still 203.9 MB. Free memory was 136.9 MB in the beginning and 134.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,565 INFO L168 Benchmark]: Boogie Preprocessor took 34.73 ms. Allocated memory is still 203.9 MB. Free memory was 134.3 MB in the beginning and 133.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,566 INFO L168 Benchmark]: RCFGBuilder took 559.70 ms. Allocated memory is still 203.9 MB. Free memory was 133.0 MB in the beginning and 104.8 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,568 INFO L168 Benchmark]: TraceAbstraction took 228213.46 ms. Allocated memory was 203.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 104.2 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2020-10-16 13:56:01,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 917.78 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 136.9 MB in the end (delta: -35.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.46 ms. Allocated memory is still 203.9 MB. Free memory was 136.9 MB in the beginning and 134.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.73 ms. Allocated memory is still 203.9 MB. Free memory was 134.3 MB in the beginning and 133.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.70 ms. Allocated memory is still 203.9 MB. Free memory was 133.0 MB in the beginning and 104.8 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228213.46 ms. Allocated memory was 203.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 104.2 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 329 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 19 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 64 PlacesBefore, 14 PlacesAfterwards, 67 TransitionsBefore, 12 TransitionsAfterwards, 638 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 7 ConcurrentYvCompositions, 5 ChoiceCompositions, 69 TotalNumberOfCompositions, 794 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1527 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 154 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 92 PlacesBefore, 32 PlacesAfterwards, 97 TransitionsBefore, 31 TransitionsAfterwards, 3016 CoEnabledTransitionPairs, 6 FixpointIterations, 25 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 12 ConcurrentYvCompositions, 6 ChoiceCompositions, 83 TotalNumberOfCompositions, 8801 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3574 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 337 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.2s, 120 PlacesBefore, 45 PlacesAfterwards, 127 TransitionsBefore, 44 TransitionsAfterwards, 7134 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 113 TotalNumberOfCompositions, 23168 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6958 VarBasedMoverChecksPositive, 90 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 770 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 148 PlacesBefore, 58 PlacesAfterwards, 157 TransitionsBefore, 58 TransitionsAfterwards, 12992 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 21 ConcurrentYvCompositions, 9 ChoiceCompositions, 136 TotalNumberOfCompositions, 40210 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10212 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 583 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 176 PlacesBefore, 71 PlacesAfterwards, 187 TransitionsBefore, 70 TransitionsAfterwards, 20590 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 24 ConcurrentYvCompositions, 12 ChoiceCompositions, 159 TotalNumberOfCompositions, 64709 MoverChecksTotal - TimeoutResultAtElement [Line: 987]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 987). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 71 places, 70 transitions, 185 flow. Already constructed 292086 states. Currently 70487 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 226.7s, OverallIterations: 14, TraceHistogramMax: 5, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 156.8s, HoareTripleCheckerStatistics: 771 SDtfs, 415 SDslu, 339 SDs, 0 SdLazy, 222 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116839occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 48.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 28307 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 3431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 14/14 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