/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 00:03:05,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 00:03:05,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 00:03:05,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 00:03:05,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 00:03:05,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 00:03:05,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 00:03:05,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 00:03:05,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 00:03:05,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 00:03:05,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 00:03:05,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 00:03:05,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 00:03:05,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 00:03:05,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 00:03:05,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 00:03:05,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 00:03:06,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 00:03:06,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 00:03:06,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 00:03:06,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 00:03:06,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 00:03:06,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 00:03:06,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 00:03:06,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 00:03:06,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 00:03:06,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 00:03:06,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 00:03:06,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 00:03:06,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 00:03:06,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 00:03:06,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 00:03:06,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 00:03:06,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 00:03:06,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 00:03:06,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 00:03:06,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 00:03:06,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 00:03:06,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 00:03:06,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 00:03:06,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 00:03:06,074 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 00:03:06,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 00:03:06,074 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 00:03:06,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 00:03:06,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 00:03:06,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 00:03:06,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 00:03:06,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 00:03:06,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 00:03:06,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 00:03:06,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 00:03:06,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 00:03:06,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 00:03:06,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 00:03:06,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 00:03:06,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 00:03:06,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 00:03:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 00:03:06,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 00:03:06,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 00:03:06,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 00:03:06,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 00:03:06,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 00:03:06,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 00:03:06,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 00:03:06,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 00:03:06,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 00:03:06,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 00:03:06,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 00:03:06,373 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 00:03:06,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-16 00:03:06,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9070e9ec0/ff1f1b085e574e3cb9b0589d03d076eb/FLAGccb2c89fe [2020-10-16 00:03:06,971 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 00:03:06,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-16 00:03:06,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9070e9ec0/ff1f1b085e574e3cb9b0589d03d076eb/FLAGccb2c89fe [2020-10-16 00:03:07,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9070e9ec0/ff1f1b085e574e3cb9b0589d03d076eb [2020-10-16 00:03:07,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 00:03:07,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 00:03:07,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 00:03:07,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 00:03:07,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 00:03:07,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f2c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07, skipping insertion in model container [2020-10-16 00:03:07,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 00:03:07,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 00:03:07,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 00:03:07,696 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 00:03:07,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 00:03:07,818 INFO L208 MainTranslator]: Completed translation [2020-10-16 00:03:07,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07 WrapperNode [2020-10-16 00:03:07,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 00:03:07,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 00:03:07,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 00:03:07,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 00:03:07,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 00:03:07,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 00:03:07,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 00:03:07,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 00:03:07,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... [2020-10-16 00:03:07,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 00:03:07,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 00:03:07,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 00:03:07,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 00:03:07,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 00:03:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 00:03:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 00:03:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 00:03:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 00:03:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 00:03:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 00:03:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 00:03:07,964 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 00:03:08,385 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 00:03:08,385 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-16 00:03:08,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:08 BoogieIcfgContainer [2020-10-16 00:03:08,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 00:03:08,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 00:03:08,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 00:03:08,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 00:03:08,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:03:07" (1/3) ... [2020-10-16 00:03:08,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c81626a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:08, skipping insertion in model container [2020-10-16 00:03:08,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:07" (2/3) ... [2020-10-16 00:03:08,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c81626a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:08, skipping insertion in model container [2020-10-16 00:03:08,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:08" (3/3) ... [2020-10-16 00:03:08,398 INFO L111 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2020-10-16 00:03:08,408 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 00:03:08,416 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 00:03:08,417 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 00:03:08,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:08,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 00:03:08,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:03:08,489 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:03:08,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:03:08,489 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:03:08,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:03:08,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:03:08,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:03:08,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:03:08,500 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,530 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-16 00:03:08,530 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 00:03:08,535 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-16 00:03:08,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,541 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,543 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:03:08,545 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,548 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,549 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-16 00:03:08,561 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-16 00:03:08,562 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 00:03:08,563 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-16 00:03:08,564 INFO L117 LiptonReduction]: Number of co-enabled transitions 320 [2020-10-16 00:03:09,760 INFO L132 LiptonReduction]: Checked pairs total: 295 [2020-10-16 00:03:09,761 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-16 00:03:09,769 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1226 [2020-10-16 00:03:09,781 INFO L129 PetriNetUnfolder]: 0/6 cut-off events. [2020-10-16 00:03:09,781 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 00:03:09,782 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:09,783 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 00:03:09,783 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 00:03:09,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:09,790 INFO L82 PathProgramCache]: Analyzing trace with hash 7400622, now seen corresponding path program 1 times [2020-10-16 00:03:09,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:09,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962874776] [2020-10-16 00:03:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:09,964 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 00:03:09,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962874776] [2020-10-16 00:03:09,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:09,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 00:03:09,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321076685] [2020-10-16 00:03:09,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 00:03:09,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:09,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 00:03:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 00:03:09,994 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 69 [2020-10-16 00:03:09,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 8 transitions, 21 flow. Second operand 2 states. [2020-10-16 00:03:09,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:09,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 69 [2020-10-16 00:03:09,998 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:03:10,005 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 00:03:10,006 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 00:03:10,006 INFO L80 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 7 events. 0/7 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 3/10 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 00:03:10,007 INFO L132 encePairwiseOnDemand]: 67/69 looper letters, 0 selfloop transitions, 0 changer transitions 0/6 dead transitions. [2020-10-16 00:03:10,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 17 flow [2020-10-16 00:03:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 00:03:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 00:03:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 122 transitions. [2020-10-16 00:03:10,024 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8840579710144928 [2020-10-16 00:03:10,025 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 122 transitions. [2020-10-16 00:03:10,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 122 transitions. [2020-10-16 00:03:10,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:03:10,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 122 transitions. [2020-10-16 00:03:10,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 00:03:10,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 00:03:10,038 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 00:03:10,040 INFO L185 Difference]: Start difference. First operand has 11 places, 8 transitions, 21 flow. Second operand 2 states and 122 transitions. [2020-10-16 00:03:10,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 17 flow [2020-10-16 00:03:10,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 17 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 00:03:10,045 INFO L241 Difference]: Finished difference. Result has 10 places, 6 transitions, 17 flow [2020-10-16 00:03:10,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=10, PETRI_TRANSITIONS=6} [2020-10-16 00:03:10,050 INFO L342 CegarLoopForPetriNet]: 11 programPoint places, -1 predicate places. [2020-10-16 00:03:10,050 INFO L481 AbstractCegarLoop]: Abstraction has has 10 places, 6 transitions, 17 flow [2020-10-16 00:03:10,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 00:03:10,050 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:10,051 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2020-10-16 00:03:10,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 00:03:10,051 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 00:03:10,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:10,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1478000843, now seen corresponding path program 1 times [2020-10-16 00:03:10,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:10,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894792081] [2020-10-16 00:03:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:10,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:10,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:10,141 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 00:03:10,142 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 00:03:10,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 00:03:10,148 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 00:03:10,149 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 00:03:10,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:10,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 00:03:10,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:03:10,187 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:03:10,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:03:10,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:03:10,187 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:03:10,187 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:03:10,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:03:10,188 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:03:10,192 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,220 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-16 00:03:10,220 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 00:03:10,221 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-16 00:03:10,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,223 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:03:10,223 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,224 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,224 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-16 00:03:10,236 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-16 00:03:10,236 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 00:03:10,237 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 164 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-16 00:03:10,239 INFO L117 LiptonReduction]: Number of co-enabled transitions 1184 [2020-10-16 00:03:11,081 INFO L132 LiptonReduction]: Checked pairs total: 3194 [2020-10-16 00:03:11,081 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-16 00:03:11,081 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 858 [2020-10-16 00:03:11,092 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 00:03:11,092 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 00:03:11,093 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:11,093 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-16 00:03:11,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:03:11,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:11,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1335142672, now seen corresponding path program 1 times [2020-10-16 00:03:11,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:11,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768831403] [2020-10-16 00:03:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:11,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:11,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:11,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 00:03:11,154 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 00:03:11,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 00:03:11,154 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 00:03:11,156 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 00:03:11,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:11,180 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 00:03:11,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:03:11,180 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:03:11,180 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:03:11,180 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:03:11,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:03:11,181 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:03:11,181 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:03:11,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:03:11,183 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,197 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-16 00:03:11,197 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 00:03:11,198 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-16 00:03:11,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,200 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,200 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:03:11,200 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,200 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,200 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-16 00:03:11,213 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-16 00:03:11,213 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 00:03:11,214 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-16 00:03:11,217 INFO L117 LiptonReduction]: Number of co-enabled transitions 2592 [2020-10-16 00:03:12,312 INFO L132 LiptonReduction]: Checked pairs total: 9163 [2020-10-16 00:03:12,312 INFO L134 LiptonReduction]: Total number of compositions: 43 [2020-10-16 00:03:12,312 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1112 [2020-10-16 00:03:12,316 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 00:03:12,317 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 00:03:12,317 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:12,317 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:12,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:03:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:12,318 INFO L82 PathProgramCache]: Analyzing trace with hash 680083894, now seen corresponding path program 1 times [2020-10-16 00:03:12,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:12,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422083354] [2020-10-16 00:03:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:12,494 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 00:03:12,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422083354] [2020-10-16 00:03:12,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:12,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:03:12,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192213935] [2020-10-16 00:03:12,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:03:12,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:12,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:03:12,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:03:12,497 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 112 [2020-10-16 00:03:12,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 91 flow. Second operand 5 states. [2020-10-16 00:03:12,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:12,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 112 [2020-10-16 00:03:12,498 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:03:12,879 INFO L129 PetriNetUnfolder]: 702/1333 cut-off events. [2020-10-16 00:03:12,880 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-16 00:03:12,887 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 1333 events. 702/1333 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8820 event pairs, 251 based on Foata normal form. 470/1433 useless extension candidates. Maximal degree in co-relation 2484. Up to 506 conditions per place. [2020-10-16 00:03:12,902 INFO L132 encePairwiseOnDemand]: 101/112 looper letters, 53 selfloop transitions, 12 changer transitions 0/78 dead transitions. [2020-10-16 00:03:12,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 78 transitions, 307 flow [2020-10-16 00:03:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:03:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:03:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 436 transitions. [2020-10-16 00:03:12,916 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6488095238095238 [2020-10-16 00:03:12,916 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 436 transitions. [2020-10-16 00:03:12,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 436 transitions. [2020-10-16 00:03:12,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:03:12,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 436 transitions. [2020-10-16 00:03:12,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:03:12,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:03:12,928 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:03:12,928 INFO L185 Difference]: Start difference. First operand has 39 places, 35 transitions, 91 flow. Second operand 6 states and 436 transitions. [2020-10-16 00:03:12,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 78 transitions, 307 flow [2020-10-16 00:03:12,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 78 transitions, 301 flow, removed 3 selfloop flow, removed 0 redundant places. [2020-10-16 00:03:12,935 INFO L241 Difference]: Finished difference. Result has 47 places, 46 transitions, 174 flow [2020-10-16 00:03:12,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=174, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2020-10-16 00:03:12,937 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2020-10-16 00:03:12,938 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 174 flow [2020-10-16 00:03:12,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:03:12,938 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:12,946 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-16 00:03:12,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 00:03:12,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:03:12,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:12,946 INFO L82 PathProgramCache]: Analyzing trace with hash -450990296, now seen corresponding path program 1 times [2020-10-16 00:03:12,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:12,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080953958] [2020-10-16 00:03:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:12,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:12,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:12,990 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 00:03:12,991 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 00:03:12,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 00:03:12,991 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 00:03:12,992 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 00:03:13,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,001 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,001 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,001 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:13,030 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 00:03:13,031 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:03:13,031 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:03:13,031 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:03:13,031 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:03:13,031 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:03:13,032 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:03:13,032 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:03:13,032 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:03:13,033 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,050 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-16 00:03:13,050 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 00:03:13,051 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-16 00:03:13,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,053 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,053 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:03:13,053 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,053 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,054 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-16 00:03:13,071 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-16 00:03:13,071 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 00:03:13,072 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 345 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-16 00:03:13,078 INFO L117 LiptonReduction]: Number of co-enabled transitions 4544 [2020-10-16 00:03:14,666 INFO L132 LiptonReduction]: Checked pairs total: 16244 [2020-10-16 00:03:14,666 INFO L134 LiptonReduction]: Total number of compositions: 54 [2020-10-16 00:03:14,667 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1614 [2020-10-16 00:03:14,670 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2020-10-16 00:03:14,671 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 00:03:14,671 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:14,671 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:14,671 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 00:03:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1611612170, now seen corresponding path program 1 times [2020-10-16 00:03:14,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:14,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114334837] [2020-10-16 00:03:14,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:14,764 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 00:03:14,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114334837] [2020-10-16 00:03:14,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:14,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:03:14,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762140285] [2020-10-16 00:03:14,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:03:14,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:14,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:03:14,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:03:14,767 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 140 [2020-10-16 00:03:14,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 122 flow. Second operand 5 states. [2020-10-16 00:03:14,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:14,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 140 [2020-10-16 00:03:14,768 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:03:16,467 INFO L129 PetriNetUnfolder]: 8551/13394 cut-off events. [2020-10-16 00:03:16,467 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2020-10-16 00:03:16,520 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25582 conditions, 13394 events. 8551/13394 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 102016 event pairs, 3733 based on Foata normal form. 3665/13077 useless extension candidates. Maximal degree in co-relation 25543. Up to 5759 conditions per place. [2020-10-16 00:03:16,613 INFO L132 encePairwiseOnDemand]: 127/140 looper letters, 74 selfloop transitions, 15 changer transitions 0/106 dead transitions. [2020-10-16 00:03:16,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 106 transitions, 422 flow [2020-10-16 00:03:16,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:03:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:03:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 552 transitions. [2020-10-16 00:03:16,617 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2020-10-16 00:03:16,617 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 552 transitions. [2020-10-16 00:03:16,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 552 transitions. [2020-10-16 00:03:16,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:03:16,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 552 transitions. [2020-10-16 00:03:16,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:03:16,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:03:16,621 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:03:16,621 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 122 flow. Second operand 6 states and 552 transitions. [2020-10-16 00:03:16,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 106 transitions, 422 flow [2020-10-16 00:03:16,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 106 transitions, 410 flow, removed 6 selfloop flow, removed 0 redundant places. [2020-10-16 00:03:16,625 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 226 flow [2020-10-16 00:03:16,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2020-10-16 00:03:16,625 INFO L342 CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places. [2020-10-16 00:03:16,625 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 226 flow [2020-10-16 00:03:16,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:03:16,625 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:16,626 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:16,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 00:03:16,626 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 00:03:16,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:16,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2021235878, now seen corresponding path program 1 times [2020-10-16 00:03:16,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:16,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042600772] [2020-10-16 00:03:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:16,699 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 00:03:16,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042600772] [2020-10-16 00:03:16,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:16,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:03:16,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127146534] [2020-10-16 00:03:16,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:03:16,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:16,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:03:16,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:03:16,702 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 140 [2020-10-16 00:03:16,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 226 flow. Second operand 5 states. [2020-10-16 00:03:16,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:16,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 140 [2020-10-16 00:03:16,703 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:03:20,287 INFO L129 PetriNetUnfolder]: 14599/23537 cut-off events. [2020-10-16 00:03:20,287 INFO L130 PetriNetUnfolder]: For 10478/10767 co-relation queries the response was YES. [2020-10-16 00:03:20,365 INFO L80 FinitePrefix]: Finished finitePrefix Result has 55405 conditions, 23537 events. 14599/23537 cut-off events. For 10478/10767 co-relation queries the response was YES. Maximal size of possible extension queue 1793. Compared 204201 event pairs, 6993 based on Foata normal form. 62/19990 useless extension candidates. Maximal degree in co-relation 55348. Up to 10438 conditions per place. [2020-10-16 00:03:20,528 INFO L132 encePairwiseOnDemand]: 132/140 looper letters, 87 selfloop transitions, 25 changer transitions 0/130 dead transitions. [2020-10-16 00:03:20,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 130 transitions, 689 flow [2020-10-16 00:03:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:03:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:03:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 541 transitions. [2020-10-16 00:03:20,531 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6440476190476191 [2020-10-16 00:03:20,532 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 541 transitions. [2020-10-16 00:03:20,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 541 transitions. [2020-10-16 00:03:20,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:03:20,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 541 transitions. [2020-10-16 00:03:20,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:03:20,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:03:20,536 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:03:20,536 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 226 flow. Second operand 6 states and 541 transitions. [2020-10-16 00:03:20,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 130 transitions, 689 flow [2020-10-16 00:03:20,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 130 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 00:03:20,630 INFO L241 Difference]: Finished difference. Result has 65 places, 76 transitions, 397 flow [2020-10-16 00:03:20,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=65, PETRI_TRANSITIONS=76} [2020-10-16 00:03:20,631 INFO L342 CegarLoopForPetriNet]: 50 programPoint places, 15 predicate places. [2020-10-16 00:03:20,631 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 76 transitions, 397 flow [2020-10-16 00:03:20,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:03:20,631 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:20,631 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:20,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 00:03:20,632 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 00:03:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash 649438076, now seen corresponding path program 1 times [2020-10-16 00:03:20,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:20,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900018142] [2020-10-16 00:03:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:20,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:03:20,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:03:20,690 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 00:03:20,690 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 00:03:20,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 00:03:20,691 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 00:03:20,691 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 00:03:20,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:03:20,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 00:03:20,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:03:20,727 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:03:20,727 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:03:20,727 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:03:20,727 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:03:20,727 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:03:20,727 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:03:20,727 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:03:20,729 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,741 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-16 00:03:20,741 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 00:03:20,743 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-16 00:03:20,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,744 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:03:20,744 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,744 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,744 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-16 00:03:20,758 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-16 00:03:20,758 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 00:03:20,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 456 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-16 00:03:20,766 INFO L117 LiptonReduction]: Number of co-enabled transitions 7040 [2020-10-16 00:03:23,072 INFO L132 LiptonReduction]: Checked pairs total: 36976 [2020-10-16 00:03:23,072 INFO L134 LiptonReduction]: Total number of compositions: 65 [2020-10-16 00:03:23,073 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2329 [2020-10-16 00:03:23,076 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2020-10-16 00:03:23,076 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 00:03:23,077 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:23,077 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:23,077 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:03:23,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:23,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1566824361, now seen corresponding path program 1 times [2020-10-16 00:03:23,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:23,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118004730] [2020-10-16 00:03:23,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:23,237 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 00:03:23,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118004730] [2020-10-16 00:03:23,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:23,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:03:23,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383725375] [2020-10-16 00:03:23,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:03:23,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:23,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:03:23,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:03:23,242 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 00:03:23,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 157 flow. Second operand 5 states. [2020-10-16 00:03:23,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:23,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 00:03:23,243 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:03:37,495 INFO L129 PetriNetUnfolder]: 86056/123217 cut-off events. [2020-10-16 00:03:37,496 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-16 00:03:37,989 INFO L80 FinitePrefix]: Finished finitePrefix Result has 235852 conditions, 123217 events. 86056/123217 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6772. Compared 1028485 event pairs, 35826 based on Foata normal form. 30411/116222 useless extension candidates. Maximal degree in co-relation 235802. Up to 56488 conditions per place. [2020-10-16 00:03:38,619 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 95 selfloop transitions, 18 changer transitions 0/134 dead transitions. [2020-10-16 00:03:38,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 134 transitions, 539 flow [2020-10-16 00:03:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:03:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:03:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 679 transitions. [2020-10-16 00:03:38,622 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6736111111111112 [2020-10-16 00:03:38,623 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 679 transitions. [2020-10-16 00:03:38,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 679 transitions. [2020-10-16 00:03:38,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:03:38,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 679 transitions. [2020-10-16 00:03:38,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:03:38,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:03:38,627 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:03:38,627 INFO L185 Difference]: Start difference. First operand has 61 places, 56 transitions, 157 flow. Second operand 6 states and 679 transitions. [2020-10-16 00:03:38,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 134 transitions, 539 flow [2020-10-16 00:03:38,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 134 transitions, 519 flow, removed 10 selfloop flow, removed 0 redundant places. [2020-10-16 00:03:38,631 INFO L241 Difference]: Finished difference. Result has 69 places, 74 transitions, 278 flow [2020-10-16 00:03:38,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=278, PETRI_PLACES=69, PETRI_TRANSITIONS=74} [2020-10-16 00:03:38,631 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 8 predicate places. [2020-10-16 00:03:38,632 INFO L481 AbstractCegarLoop]: Abstraction has has 69 places, 74 transitions, 278 flow [2020-10-16 00:03:38,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:03:38,632 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:03:38,632 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:03:38,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 00:03:38,632 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:03:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:03:38,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1076432545, now seen corresponding path program 1 times [2020-10-16 00:03:38,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:03:38,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999294202] [2020-10-16 00:03:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:03:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:03:38,699 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 00:03:38,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999294202] [2020-10-16 00:03:38,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:03:38,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:03:38,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352916636] [2020-10-16 00:03:38,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:03:38,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:03:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:03:38,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:03:38,702 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 00:03:38,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 74 transitions, 278 flow. Second operand 5 states. [2020-10-16 00:03:38,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:03:38,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 00:03:38,703 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:04:16,919 INFO L129 PetriNetUnfolder]: 162949/232542 cut-off events. [2020-10-16 00:04:16,919 INFO L130 PetriNetUnfolder]: For 113893/116505 co-relation queries the response was YES. [2020-10-16 00:04:17,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 559002 conditions, 232542 events. 162949/232542 cut-off events. For 113893/116505 co-relation queries the response was YES. Maximal size of possible extension queue 13406. Compared 2082894 event pairs, 85444 based on Foata normal form. 223/196977 useless extension candidates. Maximal degree in co-relation 558944. Up to 109987 conditions per place. [2020-10-16 00:04:18,926 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 112 selfloop transitions, 31 changer transitions 0/165 dead transitions. [2020-10-16 00:04:18,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 165 transitions, 872 flow [2020-10-16 00:04:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:04:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:04:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2020-10-16 00:04:18,929 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6557539682539683 [2020-10-16 00:04:18,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2020-10-16 00:04:18,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2020-10-16 00:04:18,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:04:18,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2020-10-16 00:04:18,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:04:18,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:04:18,933 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:04:18,933 INFO L185 Difference]: Start difference. First operand has 69 places, 74 transitions, 278 flow. Second operand 6 states and 661 transitions. [2020-10-16 00:04:18,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 165 transitions, 872 flow [2020-10-16 00:04:21,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 165 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 00:04:21,072 INFO L241 Difference]: Finished difference. Result has 76 places, 94 transitions, 490 flow [2020-10-16 00:04:21,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=490, PETRI_PLACES=76, PETRI_TRANSITIONS=94} [2020-10-16 00:04:21,073 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 15 predicate places. [2020-10-16 00:04:21,073 INFO L481 AbstractCegarLoop]: Abstraction has has 76 places, 94 transitions, 490 flow [2020-10-16 00:04:21,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:04:21,073 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:04:21,073 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:04:21,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 00:04:21,073 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:04:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:04:21,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1831762553, now seen corresponding path program 1 times [2020-10-16 00:04:21,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:04:21,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287231012] [2020-10-16 00:04:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:04:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:04:21,161 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 00:04:21,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287231012] [2020-10-16 00:04:21,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:04:21,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:04:21,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165206239] [2020-10-16 00:04:21,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:04:21,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:04:21,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:04:21,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:04:21,164 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 168 [2020-10-16 00:04:21,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 94 transitions, 490 flow. Second operand 5 states. [2020-10-16 00:04:21,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:04:21,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 168 [2020-10-16 00:04:21,165 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:05:35,665 INFO L129 PetriNetUnfolder]: 280691/409817 cut-off events. [2020-10-16 00:05:35,666 INFO L130 PetriNetUnfolder]: For 320703/326676 co-relation queries the response was YES. [2020-10-16 00:05:37,630 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1071515 conditions, 409817 events. 280691/409817 cut-off events. For 320703/326676 co-relation queries the response was YES. Maximal size of possible extension queue 24367. Compared 4057412 event pairs, 128638 based on Foata normal form. 230/358853 useless extension candidates. Maximal degree in co-relation 1071486. Up to 193609 conditions per place. [2020-10-16 00:05:41,674 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 132 selfloop transitions, 47 changer transitions 0/202 dead transitions. [2020-10-16 00:05:41,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 202 transitions, 1371 flow [2020-10-16 00:05:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:05:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:05:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2020-10-16 00:05:41,677 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6557539682539683 [2020-10-16 00:05:41,677 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2020-10-16 00:05:41,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2020-10-16 00:05:41,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:05:41,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2020-10-16 00:05:41,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:05:41,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:05:41,681 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:05:41,681 INFO L185 Difference]: Start difference. First operand has 76 places, 94 transitions, 490 flow. Second operand 6 states and 661 transitions. [2020-10-16 00:05:41,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 202 transitions, 1371 flow [2020-10-16 00:05:49,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 202 transitions, 1371 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 00:05:49,607 INFO L241 Difference]: Finished difference. Result has 83 places, 123 transitions, 868 flow [2020-10-16 00:05:49,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=868, PETRI_PLACES=83, PETRI_TRANSITIONS=123} [2020-10-16 00:05:49,608 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 22 predicate places. [2020-10-16 00:05:49,608 INFO L481 AbstractCegarLoop]: Abstraction has has 83 places, 123 transitions, 868 flow [2020-10-16 00:05:49,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:05:49,608 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:05:49,608 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:05:49,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 00:05:49,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:05:49,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:05:49,608 INFO L82 PathProgramCache]: Analyzing trace with hash 364275715, now seen corresponding path program 1 times [2020-10-16 00:05:49,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:05:49,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865989056] [2020-10-16 00:05:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:05:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:05:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 00:05:49,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865989056] [2020-10-16 00:05:49,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:05:49,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:05:49,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529362833] [2020-10-16 00:05:49,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 00:05:49,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:05:49,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 00:05:49,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 00:05:49,650 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 168 [2020-10-16 00:05:49,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 123 transitions, 868 flow. Second operand 3 states. [2020-10-16 00:05:49,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:05:49,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 168 [2020-10-16 00:05:49,651 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:05:50,087 INFO L129 PetriNetUnfolder]: 1206/5195 cut-off events. [2020-10-16 00:05:50,088 INFO L130 PetriNetUnfolder]: For 4574/4577 co-relation queries the response was YES. [2020-10-16 00:05:50,108 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12326 conditions, 5195 events. 1206/5195 cut-off events. For 4574/4577 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 62272 event pairs, 861 based on Foata normal form. 674/5302 useless extension candidates. Maximal degree in co-relation 12293. Up to 1139 conditions per place. [2020-10-16 00:05:50,127 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 1 selfloop transitions, 18 changer transitions 0/87 dead transitions. [2020-10-16 00:05:50,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 87 transitions, 514 flow [2020-10-16 00:05:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 00:05:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 00:05:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-10-16 00:05:50,129 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6904761904761905 [2020-10-16 00:05:50,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 348 transitions. [2020-10-16 00:05:50,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions. [2020-10-16 00:05:50,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:05:50,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions. [2020-10-16 00:05:50,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 00:05:50,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 00:05:50,132 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 00:05:50,132 INFO L185 Difference]: Start difference. First operand has 83 places, 123 transitions, 868 flow. Second operand 3 states and 348 transitions. [2020-10-16 00:05:50,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 87 transitions, 514 flow [2020-10-16 00:05:50,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 87 transitions, 476 flow, removed 19 selfloop flow, removed 0 redundant places. [2020-10-16 00:05:50,151 INFO L241 Difference]: Finished difference. Result has 85 places, 87 transitions, 474 flow [2020-10-16 00:05:50,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2020-10-16 00:05:50,151 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 24 predicate places. [2020-10-16 00:05:50,151 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 474 flow [2020-10-16 00:05:50,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 00:05:50,151 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:05:50,152 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:05:50,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 00:05:50,152 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:05:50,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:05:50,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1232154183, now seen corresponding path program 2 times [2020-10-16 00:05:50,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:05:50,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340640256] [2020-10-16 00:05:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:05:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:05:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 00:05:50,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340640256] [2020-10-16 00:05:50,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636559092] [2020-10-16 00:05:50,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 00:05:50,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 00:05:50,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 00:05:50,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-16 00:05:50,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 00:05:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 00:05:50,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 00:05:50,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-16 00:05:50,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759686314] [2020-10-16 00:05:50,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 00:05:50,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:05:50,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 00:05:50,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 00:05:50,406 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 168 [2020-10-16 00:05:50,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 474 flow. Second operand 8 states. [2020-10-16 00:05:50,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:05:50,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 168 [2020-10-16 00:05:50,407 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:06:00,812 INFO L129 PetriNetUnfolder]: 51995/78396 cut-off events. [2020-10-16 00:06:00,812 INFO L130 PetriNetUnfolder]: For 41638/41638 co-relation queries the response was YES. [2020-10-16 00:06:01,226 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197478 conditions, 78396 events. 51995/78396 cut-off events. For 41638/41638 co-relation queries the response was YES. Maximal size of possible extension queue 2775. Compared 616694 event pairs, 30852 based on Foata normal form. 39/66488 useless extension candidates. Maximal degree in co-relation 197397. Up to 38051 conditions per place. [2020-10-16 00:06:01,563 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 126 selfloop transitions, 17 changer transitions 0/163 dead transitions. [2020-10-16 00:06:01,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 163 transitions, 1008 flow [2020-10-16 00:06:01,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 00:06:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 00:06:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 921 transitions. [2020-10-16 00:06:01,567 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2020-10-16 00:06:01,567 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 921 transitions. [2020-10-16 00:06:01,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 921 transitions. [2020-10-16 00:06:01,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:06:01,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 921 transitions. [2020-10-16 00:06:01,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 00:06:01,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 00:06:01,571 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 00:06:01,571 INFO L185 Difference]: Start difference. First operand has 85 places, 87 transitions, 474 flow. Second operand 9 states and 921 transitions. [2020-10-16 00:06:01,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 163 transitions, 1008 flow [2020-10-16 00:06:01,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 163 transitions, 988 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 00:06:01,863 INFO L241 Difference]: Finished difference. Result has 94 places, 91 transitions, 552 flow [2020-10-16 00:06:01,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=552, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2020-10-16 00:06:01,864 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 33 predicate places. [2020-10-16 00:06:01,864 INFO L481 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 552 flow [2020-10-16 00:06:01,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 00:06:01,864 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:06:01,864 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:06:02,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-16 00:06:02,066 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:06:02,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:06:02,066 INFO L82 PathProgramCache]: Analyzing trace with hash 806252617, now seen corresponding path program 1 times [2020-10-16 00:06:02,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:06:02,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298048365] [2020-10-16 00:06:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:06:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:06:02,166 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 00:06:02,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298048365] [2020-10-16 00:06:02,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:06:02,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 00:06:02,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755978980] [2020-10-16 00:06:02,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 00:06:02,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:06:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 00:06:02,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 00:06:02,169 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 168 [2020-10-16 00:06:02,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 552 flow. Second operand 7 states. [2020-10-16 00:06:02,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:06:02,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 168 [2020-10-16 00:06:02,170 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:06:13,443 INFO L129 PetriNetUnfolder]: 57238/86023 cut-off events. [2020-10-16 00:06:13,444 INFO L130 PetriNetUnfolder]: For 90437/93146 co-relation queries the response was YES. [2020-10-16 00:06:13,944 INFO L80 FinitePrefix]: Finished finitePrefix Result has 236943 conditions, 86023 events. 57238/86023 cut-off events. For 90437/93146 co-relation queries the response was YES. Maximal size of possible extension queue 3175. Compared 683283 event pairs, 34956 based on Foata normal form. 153/72821 useless extension candidates. Maximal degree in co-relation 236857. Up to 44778 conditions per place. [2020-10-16 00:06:14,329 INFO L132 encePairwiseOnDemand]: 153/168 looper letters, 140 selfloop transitions, 18 changer transitions 0/178 dead transitions. [2020-10-16 00:06:14,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 178 transitions, 1245 flow [2020-10-16 00:06:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 00:06:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 00:06:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 920 transitions. [2020-10-16 00:06:14,332 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6084656084656085 [2020-10-16 00:06:14,332 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 920 transitions. [2020-10-16 00:06:14,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 920 transitions. [2020-10-16 00:06:14,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:06:14,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 920 transitions. [2020-10-16 00:06:14,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 00:06:14,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 00:06:14,337 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 00:06:14,337 INFO L185 Difference]: Start difference. First operand has 94 places, 91 transitions, 552 flow. Second operand 9 states and 920 transitions. [2020-10-16 00:06:14,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 178 transitions, 1245 flow [2020-10-16 00:06:15,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 178 transitions, 1205 flow, removed 8 selfloop flow, removed 4 redundant places. [2020-10-16 00:06:15,203 INFO L241 Difference]: Finished difference. Result has 100 places, 92 transitions, 585 flow [2020-10-16 00:06:15,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=585, PETRI_PLACES=100, PETRI_TRANSITIONS=92} [2020-10-16 00:06:15,203 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 39 predicate places. [2020-10-16 00:06:15,204 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 92 transitions, 585 flow [2020-10-16 00:06:15,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 00:06:15,204 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:06:15,204 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:06:15,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 00:06:15,204 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:06:15,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:06:15,205 INFO L82 PathProgramCache]: Analyzing trace with hash -917098734, now seen corresponding path program 1 times [2020-10-16 00:06:15,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:06:15,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202927638] [2020-10-16 00:06:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:06:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:06:15,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:06:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 00:06:15,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 00:06:15,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 00:06:15,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 00:06:15,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 00:06:15,226 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 00:06:15,227 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 00:06:15,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 00:06:15,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 00:06:15,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 00:06:15,262 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 00:06:15,262 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 00:06:15,262 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 00:06:15,262 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 00:06:15,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 00:06:15,263 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 00:06:15,263 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 00:06:15,264 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,277 INFO L129 PetriNetUnfolder]: 19/173 cut-off events. [2020-10-16 00:06:15,278 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 00:06:15,279 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 173 events. 19/173 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 551 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 171. Up to 14 conditions per place. [2020-10-16 00:06:15,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,280 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,280 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 00:06:15,281 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,281 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,281 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 300 flow [2020-10-16 00:06:15,294 INFO L129 PetriNetUnfolder]: 19/173 cut-off events. [2020-10-16 00:06:15,295 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 00:06:15,296 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 173 events. 19/173 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 561 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 171. Up to 14 conditions per place. [2020-10-16 00:06:15,305 INFO L117 LiptonReduction]: Number of co-enabled transitions 10080 [2020-10-16 00:06:18,335 INFO L132 LiptonReduction]: Checked pairs total: 55437 [2020-10-16 00:06:18,335 INFO L134 LiptonReduction]: Total number of compositions: 74 [2020-10-16 00:06:18,335 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3055 [2020-10-16 00:06:18,337 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2020-10-16 00:06:18,337 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 00:06:18,337 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:06:18,337 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:06:18,337 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:06:18,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:06:18,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1333572763, now seen corresponding path program 1 times [2020-10-16 00:06:18,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:06:18,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408531210] [2020-10-16 00:06:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:06:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:06:18,406 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 00:06:18,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408531210] [2020-10-16 00:06:18,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:06:18,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:06:18,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979659236] [2020-10-16 00:06:18,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:06:18,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:06:18,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:06:18,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:06:18,409 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 194 [2020-10-16 00:06:18,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 192 flow. Second operand 5 states. [2020-10-16 00:06:18,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:06:18,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 194 [2020-10-16 00:06:18,409 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 00:13:08,460 INFO L129 PetriNetUnfolder]: 799942/1072963 cut-off events. [2020-10-16 00:13:08,460 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2020-10-16 00:13:14,277 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2067690 conditions, 1072963 events. 799942/1072963 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 46220. Compared 9294786 event pairs, 352515 based on Foata normal form. 196808/939420 useless extension candidates. Maximal degree in co-relation 2067628. Up to 514342 conditions per place. [2020-10-16 00:13:21,973 INFO L132 encePairwiseOnDemand]: 176/194 looper letters, 116 selfloop transitions, 21 changer transitions 0/162 dead transitions. [2020-10-16 00:13:21,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 162 transitions, 658 flow [2020-10-16 00:13:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:13:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 00:13:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 792 transitions. [2020-10-16 00:13:21,976 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6804123711340206 [2020-10-16 00:13:21,976 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 792 transitions. [2020-10-16 00:13:21,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 792 transitions. [2020-10-16 00:13:21,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 00:13:21,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 792 transitions. [2020-10-16 00:13:21,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 00:13:21,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 00:13:21,981 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 00:13:21,981 INFO L185 Difference]: Start difference. First operand has 72 places, 66 transitions, 192 flow. Second operand 6 states and 792 transitions. [2020-10-16 00:13:21,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 162 transitions, 658 flow [2020-10-16 00:13:21,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 162 transitions, 628 flow, removed 15 selfloop flow, removed 0 redundant places. [2020-10-16 00:13:21,984 INFO L241 Difference]: Finished difference. Result has 80 places, 88 transitions, 330 flow [2020-10-16 00:13:21,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=80, PETRI_TRANSITIONS=88} [2020-10-16 00:13:21,985 INFO L342 CegarLoopForPetriNet]: 72 programPoint places, 8 predicate places. [2020-10-16 00:13:21,985 INFO L481 AbstractCegarLoop]: Abstraction has has 80 places, 88 transitions, 330 flow [2020-10-16 00:13:21,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 00:13:21,985 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 00:13:21,985 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 00:13:21,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 00:13:21,985 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 00:13:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 00:13:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1901103423, now seen corresponding path program 1 times [2020-10-16 00:13:21,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 00:13:21,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740845230] [2020-10-16 00:13:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 00:13:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 00:13:22,066 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 00:13:22,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740845230] [2020-10-16 00:13:22,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 00:13:22,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 00:13:22,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164394196] [2020-10-16 00:13:22,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 00:13:22,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 00:13:22,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 00:13:22,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 00:13:22,069 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 194 [2020-10-16 00:13:22,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 88 transitions, 330 flow. Second operand 5 states. [2020-10-16 00:13:22,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 00:13:22,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 194 [2020-10-16 00:13:22,070 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2020-10-16 00:14:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 00:14:30,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 00:14:30,015 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 00:14:30,019 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 00:14:30,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:14:30 BasicIcfg [2020-10-16 00:14:30,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 00:14:30,027 INFO L168 Benchmark]: Toolchain (without parser) took 682767.54 ms. Allocated memory was 253.8 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 209.6 MB in the beginning and 4.1 GB in the end (delta: -3.9 GB). Peak memory consumption was 9.0 GB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,033 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 00:14:30,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.47 ms. Allocated memory was 253.8 MB in the beginning and 320.9 MB in the end (delta: 67.1 MB). Free memory was 209.6 MB in the beginning and 277.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.49 ms. Allocated memory is still 320.9 MB. Free memory was 277.4 MB in the beginning and 274.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,036 INFO L168 Benchmark]: Boogie Preprocessor took 25.85 ms. Allocated memory is still 320.9 MB. Free memory was 274.1 MB in the beginning and 271.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,042 INFO L168 Benchmark]: RCFGBuilder took 496.70 ms. Allocated memory is still 320.9 MB. Free memory was 271.6 MB in the beginning and 244.6 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,044 INFO L168 Benchmark]: TraceAbstraction took 681630.05 ms. Allocated memory was 320.9 MB in the beginning and 7.2 GB in the end (delta: 6.8 GB). Free memory was 244.6 MB in the beginning and 4.1 GB in the end (delta: -3.8 GB). Peak memory consumption was 8.9 GB. Max. memory is 14.2 GB. [2020-10-16 00:14:30,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 559.47 ms. Allocated memory was 253.8 MB in the beginning and 320.9 MB in the end (delta: 67.1 MB). Free memory was 209.6 MB in the beginning and 277.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.49 ms. Allocated memory is still 320.9 MB. Free memory was 277.4 MB in the beginning and 274.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 25.85 ms. Allocated memory is still 320.9 MB. Free memory was 274.1 MB in the beginning and 271.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 496.70 ms. Allocated memory is still 320.9 MB. Free memory was 271.6 MB in the beginning and 244.6 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 681630.05 ms. Allocated memory was 320.9 MB in the beginning and 7.2 GB in the end (delta: 6.8 GB). Free memory was 244.6 MB in the beginning and 4.1 GB in the end (delta: -3.8 GB). Peak memory consumption was 8.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 195 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 2 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 35 PlacesBefore, 11 PlacesAfterwards, 35 TransitionsBefore, 8 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 34 TotalNumberOfCompositions, 295 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 866 VarBasedMoverChecksPositive, 58 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 205 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 52 PlacesBefore, 28 PlacesAfterwards, 52 TransitionsBefore, 25 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 34 TotalNumberOfCompositions, 3194 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1672 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 65 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 359 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 69 PlacesBefore, 39 PlacesAfterwards, 69 TransitionsBefore, 35 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 43 TotalNumberOfCompositions, 9163 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2602 VarBasedMoverChecksPositive, 151 VarBasedMoverChecksNegative, 52 SemBasedMoverChecksPositive, 99 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 475 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 86 PlacesBefore, 50 PlacesAfterwards, 86 TransitionsBefore, 45 TransitionsAfterwards, 4544 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 54 TotalNumberOfCompositions, 16244 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4111 VarBasedMoverChecksPositive, 405 VarBasedMoverChecksNegative, 270 SemBasedMoverChecksPositive, 135 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 951 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 103 PlacesBefore, 61 PlacesAfterwards, 103 TransitionsBefore, 56 TransitionsAfterwards, 7040 CoEnabledTransitionPairs, 7 FixpointIterations, 7 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 65 TotalNumberOfCompositions, 36976 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5905 VarBasedMoverChecksPositive, 403 VarBasedMoverChecksNegative, 219 SemBasedMoverChecksPositive, 184 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.7s, 1247 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 120 PlacesBefore, 72 PlacesAfterwards, 120 TransitionsBefore, 66 TransitionsAfterwards, 10080 CoEnabledTransitionPairs, 7 FixpointIterations, 7 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 74 TotalNumberOfCompositions, 55437 MoverChecksTotal - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 698). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (5states, 106/194 universal loopers) in iteration 2,while PetriNetUnfolder was constructing finite prefix that currently has 683506 conditions, 271452 events (206969/271451 cut-off events. For 225212/258950 co-relation queries the response was YES. Maximal size of possible extension queue 69976. Compared 2530808 event pairs, 94851 based on Foata normal form. 787/312312 useless extension candidates. Maximal degree in co-relation 683447. Up to 136213 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 681.3s, OverallIterations: 17, TraceHistogramMax: 6, AutomataDifference: 669.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.3s, HoareTripleCheckerStatistics: 349 SDtfs, 888 SDslu, 238 SDs, 0 SdLazy, 1905 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 13138 SizeOfPredicates, 3 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 17/21 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