/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 11:56:11,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 11:56:11,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 11:56:11,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 11:56:11,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 11:56:12,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 11:56:12,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 11:56:12,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 11:56:12,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 11:56:12,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 11:56:12,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 11:56:12,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 11:56:12,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 11:56:12,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 11:56:12,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 11:56:12,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 11:56:12,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 11:56:12,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 11:56:12,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 11:56:12,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 11:56:12,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 11:56:12,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 11:56:12,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 11:56:12,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 11:56:12,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 11:56:12,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 11:56:12,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 11:56:12,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 11:56:12,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 11:56:12,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 11:56:12,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 11:56:12,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 11:56:12,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 11:56:12,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 11:56:12,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 11:56:12,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 11:56:12,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 11:56:12,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 11:56:12,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 11:56:12,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 11:56:12,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 11:56:12,091 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 11:56:12,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 11:56:12,092 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 11:56:12,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 11:56:12,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 11:56:12,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 11:56:12,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 11:56:12,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 11:56:12,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 11:56:12,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 11:56:12,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 11:56:12,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 11:56:12,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:56:12,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 11:56:12,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 11:56:12,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 11:56:12,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 11:56:12,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 11:56:12,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 11:56:12,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 11:56:12,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 11:56:12,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 11:56:12,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 11:56:12,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 11:56:12,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 11:56:12,389 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 11:56:12,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-09 11:56:12,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a11867/a617b3957e004e15a9caafdb6a890f51/FLAG0197e4bd9 [2020-10-09 11:56:12,984 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 11:56:12,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-09 11:56:12,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a11867/a617b3957e004e15a9caafdb6a890f51/FLAG0197e4bd9 [2020-10-09 11:56:13,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a11867/a617b3957e004e15a9caafdb6a890f51 [2020-10-09 11:56:13,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 11:56:13,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 11:56:13,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 11:56:13,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 11:56:13,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 11:56:13,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6330fec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13, skipping insertion in model container [2020-10-09 11:56:13,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 11:56:13,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 11:56:13,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:56:13,802 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 11:56:13,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:56:13,922 INFO L208 MainTranslator]: Completed translation [2020-10-09 11:56:13,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13 WrapperNode [2020-10-09 11:56:13,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 11:56:13,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 11:56:13,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 11:56:13,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 11:56:13,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 11:56:13,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 11:56:13,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 11:56:13,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 11:56:13,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:13,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:14,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (1/1) ... [2020-10-09 11:56:14,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 11:56:14,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 11:56:14,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 11:56:14,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 11:56:14,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (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 [2020-10-09 11:56:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-09 11:56:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-09 11:56:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-09 11:56:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-09 11:56:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 11:56:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 11:56:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 11:56:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 11:56:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 11:56:14,087 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 11:56:14,598 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 11:56:14,599 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-09 11:56:14,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:56:14 BoogieIcfgContainer [2020-10-09 11:56:14,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 11:56:14,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 11:56:14,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 11:56:14,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 11:56:14,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 11:56:13" (1/3) ... [2020-10-09 11:56:14,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea1efc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:56:14, skipping insertion in model container [2020-10-09 11:56:14,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:56:13" (2/3) ... [2020-10-09 11:56:14,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea1efc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:56:14, skipping insertion in model container [2020-10-09 11:56:14,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:56:14" (3/3) ... [2020-10-09 11:56:14,610 INFO L111 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-10-09 11:56:14,622 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 11:56:14,622 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 11:56:14,629 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 11:56:14,630 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 11:56:14,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,658 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,660 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,660 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:14,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 11:56:14,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:56:14,710 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:56:14,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:56:14,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:56:14,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:56:14,710 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:56:14,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:56:14,711 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:56:14,723 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:56:14,726 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-09 11:56:14,729 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-09 11:56:14,731 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-09 11:56:14,768 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-09 11:56:14,768 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 11:56:14,773 INFO L80 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 57 events. 7/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2020-10-09 11:56:14,776 INFO L117 LiptonReduction]: Number of co-enabled transitions 816 [2020-10-09 11:56:15,462 INFO L132 LiptonReduction]: Checked pairs total: 1474 [2020-10-09 11:56:15,463 INFO L134 LiptonReduction]: Total number of compositions: 33 [2020-10-09 11:56:15,470 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2020-10-09 11:56:15,493 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-09 11:56:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-09 11:56:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:56:15,503 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:15,504 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:56:15,505 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:56:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash 304347605, now seen corresponding path program 1 times [2020-10-09 11:56:15,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:15,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920020388] [2020-10-09 11:56:15,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:56:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:56:15,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920020388] [2020-10-09 11:56:15,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:56:15,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:56:15,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743122903] [2020-10-09 11:56:15,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:56:15,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:56:15,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:56:15,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:15,745 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-09 11:56:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:56:15,783 INFO L93 Difference]: Finished difference Result 142 states and 378 transitions. [2020-10-09 11:56:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:56:15,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-09 11:56:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:56:15,799 INFO L225 Difference]: With dead ends: 142 [2020-10-09 11:56:15,799 INFO L226 Difference]: Without dead ends: 142 [2020-10-09 11:56:15,800 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:15,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-09 11:56:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-09 11:56:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-09 11:56:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 378 transitions. [2020-10-09 11:56:15,861 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 378 transitions. Word has length 5 [2020-10-09 11:56:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:56:15,862 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 378 transitions. [2020-10-09 11:56:15,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:56:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2020-10-09 11:56:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 11:56:15,863 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:15,863 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-09 11:56:15,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 11:56:15,864 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:56:15,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:15,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510738, now seen corresponding path program 1 times [2020-10-09 11:56:15,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:15,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623451168] [2020-10-09 11:56:15,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:15,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:15,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:15,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:56:15,930 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:56:15,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 11:56:15,933 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:56:15,933 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-09 11:56:15,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:15,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 11:56:15,969 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:56:15,969 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:56:15,969 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:56:15,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:56:15,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:56:15,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:56:15,970 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:56:15,970 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:56:15,972 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:56:15,972 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-09 11:56:15,973 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-09 11:56:15,973 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-09 11:56:15,990 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-09 11:56:15,991 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-09 11:56:15,992 INFO L80 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 79 events. 10/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 184 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 88. Up to 6 conditions per place. [2020-10-09 11:56:15,995 INFO L117 LiptonReduction]: Number of co-enabled transitions 1680 [2020-10-09 11:56:16,903 INFO L132 LiptonReduction]: Checked pairs total: 4577 [2020-10-09 11:56:16,903 INFO L134 LiptonReduction]: Total number of compositions: 49 [2020-10-09 11:56:16,904 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 37 transitions, 98 flow [2020-10-09 11:56:17,007 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2138 states. [2020-10-09 11:56:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states. [2020-10-09 11:56:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:56:17,008 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:17,008 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:56:17,009 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:56:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:17,009 INFO L82 PathProgramCache]: Analyzing trace with hash 447912364, now seen corresponding path program 1 times [2020-10-09 11:56:17,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:17,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212935903] [2020-10-09 11:56:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:56:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:56:17,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212935903] [2020-10-09 11:56:17,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:56:17,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:56:17,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13116454] [2020-10-09 11:56:17,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:56:17,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:56:17,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:56:17,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:17,082 INFO L87 Difference]: Start difference. First operand 2138 states. Second operand 3 states. [2020-10-09 11:56:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:56:17,135 INFO L93 Difference]: Finished difference Result 1368 states and 5000 transitions. [2020-10-09 11:56:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:56:17,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-09 11:56:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:56:17,157 INFO L225 Difference]: With dead ends: 1368 [2020-10-09 11:56:17,157 INFO L226 Difference]: Without dead ends: 1368 [2020-10-09 11:56:17,158 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-09 11:56:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-10-09 11:56:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-09 11:56:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 5000 transitions. [2020-10-09 11:56:17,284 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 5000 transitions. Word has length 5 [2020-10-09 11:56:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:56:17,284 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 5000 transitions. [2020-10-09 11:56:17,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:56:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 5000 transitions. [2020-10-09 11:56:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 11:56:17,286 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:17,286 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-09 11:56:17,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 11:56:17,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:56:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:17,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1411337890, now seen corresponding path program 1 times [2020-10-09 11:56:17,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:17,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344473605] [2020-10-09 11:56:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:17,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:17,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:17,320 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:56:17,321 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:56:17,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 11:56:17,322 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:56:17,323 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-09 11:56:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,346 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,347 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,347 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,347 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,348 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,348 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,348 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,349 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,349 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,350 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,350 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,350 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,350 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:17,357 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-09 11:56:17,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:56:17,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:56:17,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:56:17,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:56:17,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:56:17,358 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:56:17,358 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:56:17,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:56:17,361 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:56:17,361 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-09 11:56:17,361 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-09 11:56:17,361 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-09 11:56:17,379 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-09 11:56:17,380 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-09 11:56:17,381 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 101 events. 13/101 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2020-10-09 11:56:17,385 INFO L117 LiptonReduction]: Number of co-enabled transitions 2856 [2020-10-09 11:56:18,512 INFO L132 LiptonReduction]: Checked pairs total: 9399 [2020-10-09 11:56:18,519 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-09 11:56:18,520 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 52 transitions, 146 flow [2020-10-09 11:56:20,039 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 17114 states. [2020-10-09 11:56:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17114 states. [2020-10-09 11:56:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:56:20,040 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:20,040 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:56:20,040 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:56:20,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:20,041 INFO L82 PathProgramCache]: Analyzing trace with hash 635263293, now seen corresponding path program 1 times [2020-10-09 11:56:20,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:20,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295599041] [2020-10-09 11:56:20,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:56:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:56:20,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295599041] [2020-10-09 11:56:20,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:56:20,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:56:20,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920909953] [2020-10-09 11:56:20,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:56:20,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:56:20,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:56:20,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:20,087 INFO L87 Difference]: Start difference. First operand 17114 states. Second operand 3 states. [2020-10-09 11:56:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:56:20,276 INFO L93 Difference]: Finished difference Result 8928 states and 41442 transitions. [2020-10-09 11:56:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:56:20,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-09 11:56:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:56:20,380 INFO L225 Difference]: With dead ends: 8928 [2020-10-09 11:56:20,380 INFO L226 Difference]: Without dead ends: 8928 [2020-10-09 11:56:20,381 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2020-10-09 11:56:20,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8928. [2020-10-09 11:56:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8928 states. [2020-10-09 11:56:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 41442 transitions. [2020-10-09 11:56:21,161 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 41442 transitions. Word has length 5 [2020-10-09 11:56:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:56:21,162 INFO L481 AbstractCegarLoop]: Abstraction has 8928 states and 41442 transitions. [2020-10-09 11:56:21,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:56:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 41442 transitions. [2020-10-09 11:56:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:56:21,169 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:21,169 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:56:21,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 11:56:21,169 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:56:21,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:21,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1729216085, now seen corresponding path program 1 times [2020-10-09 11:56:21,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:21,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934238119] [2020-10-09 11:56:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:56:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:56:21,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934238119] [2020-10-09 11:56:21,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:56:21,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:56:21,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620783316] [2020-10-09 11:56:21,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:56:21,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:56:21,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:56:21,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:21,249 INFO L87 Difference]: Start difference. First operand 8928 states and 41442 transitions. Second operand 3 states. [2020-10-09 11:56:21,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:56:21,302 INFO L93 Difference]: Finished difference Result 1296 states and 4266 transitions. [2020-10-09 11:56:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:56:21,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-09 11:56:21,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:56:21,326 INFO L225 Difference]: With dead ends: 1296 [2020-10-09 11:56:21,326 INFO L226 Difference]: Without dead ends: 1296 [2020-10-09 11:56:21,327 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:56:21,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-10-09 11:56:21,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1044. [2020-10-09 11:56:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-09 11:56:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3468 transitions. [2020-10-09 11:56:21,366 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3468 transitions. Word has length 12 [2020-10-09 11:56:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:56:21,367 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 3468 transitions. [2020-10-09 11:56:21,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:56:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3468 transitions. [2020-10-09 11:56:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 11:56:21,370 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:56:21,370 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:56:21,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 11:56:21,371 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:56:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:56:21,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1085212391, now seen corresponding path program 1 times [2020-10-09 11:56:21,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:56:21,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066513215] [2020-10-09 11:56:21,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:56:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:21,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:56:21,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:56:21,458 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:56:21,458 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:56:21,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 11:56:21,459 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:56:21,460 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-09 11:56:21,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,481 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,496 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,496 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,512 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,514 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,517 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,517 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:56:21,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 11:56:21,531 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:56:21,531 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:56:21,532 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:56:21,532 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:56:21,533 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:56:21,534 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:56:21,534 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:56:21,534 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:56:21,536 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:56:21,537 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-09 11:56:21,541 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-09 11:56:21,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-09 11:56:21,586 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-09 11:56:21,586 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-09 11:56:21,592 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 123 events. 16/123 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 320 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 143. Up to 10 conditions per place. [2020-10-09 11:56:21,599 INFO L117 LiptonReduction]: Number of co-enabled transitions 4344 [2020-10-09 11:56:22,857 INFO L132 LiptonReduction]: Checked pairs total: 14072 [2020-10-09 11:56:22,857 INFO L134 LiptonReduction]: Total number of compositions: 85 [2020-10-09 11:56:22,858 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 65 transitions, 194 flow [2020-10-09 11:57:17,363 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136922 states. [2020-10-09 11:57:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states. [2020-10-09 11:57:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:57:17,364 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:57:17,364 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:57:17,364 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:57:17,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:57:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 862829487, now seen corresponding path program 1 times [2020-10-09 11:57:17,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:57:17,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074532250] [2020-10-09 11:57:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:57:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:57:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:57:17,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074532250] [2020-10-09 11:57:17,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:57:17,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:57:17,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348141774] [2020-10-09 11:57:17,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:57:17,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:57:17,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:57:17,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:57:17,405 INFO L87 Difference]: Start difference. First operand 136922 states. Second operand 3 states. [2020-10-09 11:57:17,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:57:17,902 INFO L93 Difference]: Finished difference Result 59058 states and 333130 transitions. [2020-10-09 11:57:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:57:17,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-09 11:57:17,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:57:18,338 INFO L225 Difference]: With dead ends: 59058 [2020-10-09 11:57:18,338 INFO L226 Difference]: Without dead ends: 59058 [2020-10-09 11:57:18,339 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:57:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59058 states. [2020-10-09 11:57:24,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59058 to 59058. [2020-10-09 11:57:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59058 states. [2020-10-09 11:57:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59058 states to 59058 states and 333130 transitions. [2020-10-09 11:57:25,201 INFO L78 Accepts]: Start accepts. Automaton has 59058 states and 333130 transitions. Word has length 5 [2020-10-09 11:57:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:57:25,201 INFO L481 AbstractCegarLoop]: Abstraction has 59058 states and 333130 transitions. [2020-10-09 11:57:25,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:57:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 59058 states and 333130 transitions. [2020-10-09 11:57:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:57:25,202 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:57:25,202 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:57:25,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 11:57:25,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:57:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:57:25,203 INFO L82 PathProgramCache]: Analyzing trace with hash -100722456, now seen corresponding path program 1 times [2020-10-09 11:57:25,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:57:25,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879268716] [2020-10-09 11:57:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:57:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:57:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:57:25,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879268716] [2020-10-09 11:57:25,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:57:25,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:57:25,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632448262] [2020-10-09 11:57:25,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 11:57:25,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:57:25,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 11:57:25,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:57:25,235 INFO L87 Difference]: Start difference. First operand 59058 states and 333130 transitions. Second operand 3 states. [2020-10-09 11:57:25,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:57:25,296 INFO L93 Difference]: Finished difference Result 3409 states and 12915 transitions. [2020-10-09 11:57:25,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 11:57:25,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-09 11:57:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:57:25,319 INFO L225 Difference]: With dead ends: 3409 [2020-10-09 11:57:25,320 INFO L226 Difference]: Without dead ends: 3409 [2020-10-09 11:57:25,321 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 11:57:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-09 11:57:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2693. [2020-10-09 11:57:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2693 states. [2020-10-09 11:57:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 10317 transitions. [2020-10-09 11:57:25,406 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 10317 transitions. Word has length 12 [2020-10-09 11:57:25,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:57:25,406 INFO L481 AbstractCegarLoop]: Abstraction has 2693 states and 10317 transitions. [2020-10-09 11:57:25,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 11:57:25,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 10317 transitions. [2020-10-09 11:57:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 11:57:25,408 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:57:25,408 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:57:25,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 11:57:25,408 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:57:25,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:57:25,409 INFO L82 PathProgramCache]: Analyzing trace with hash -2082374841, now seen corresponding path program 1 times [2020-10-09 11:57:25,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:57:25,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175015124] [2020-10-09 11:57:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:57:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:57:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:57:25,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175015124] [2020-10-09 11:57:25,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:57:25,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:57:25,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767073913] [2020-10-09 11:57:25,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:57:25,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:57:25,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:57:25,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:57:25,486 INFO L87 Difference]: Start difference. First operand 2693 states and 10317 transitions. Second operand 5 states. [2020-10-09 11:57:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:57:25,615 INFO L93 Difference]: Finished difference Result 5571 states and 21032 transitions. [2020-10-09 11:57:25,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:57:25,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-09 11:57:25,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:57:25,631 INFO L225 Difference]: With dead ends: 5571 [2020-10-09 11:57:25,631 INFO L226 Difference]: Without dead ends: 5571 [2020-10-09 11:57:25,632 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 11:57:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2020-10-09 11:57:25,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 4855. [2020-10-09 11:57:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4855 states. [2020-10-09 11:57:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 18434 transitions. [2020-10-09 11:57:25,760 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 18434 transitions. Word has length 15 [2020-10-09 11:57:25,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:57:25,761 INFO L481 AbstractCegarLoop]: Abstraction has 4855 states and 18434 transitions. [2020-10-09 11:57:25,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:57:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 18434 transitions. [2020-10-09 11:57:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 11:57:25,764 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:57:25,764 INFO L421 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:57:25,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 11:57:25,764 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:57:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:57:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash -828571092, now seen corresponding path program 1 times [2020-10-09 11:57:25,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:57:25,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312572142] [2020-10-09 11:57:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:57:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:57:25,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:57:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:57:25,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:57:25,789 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:57:25,789 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:57:25,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-09 11:57:25,790 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:57:25,790 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-09 11:57:25,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,819 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,819 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:57:25,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-09 11:57:25,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:57:25,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:57:25,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:57:25,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:57:25,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:57:25,840 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:57:25,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:57:25,840 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:57:25,842 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:57:25,842 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-09 11:57:25,842 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-09 11:57:25,843 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-09 11:57:25,862 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-09 11:57:25,862 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-09 11:57:25,864 INFO L80 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 145 events. 19/145 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 389 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 172. Up to 12 conditions per place. [2020-10-09 11:57:25,871 INFO L117 LiptonReduction]: Number of co-enabled transitions 6144 [2020-10-09 11:57:27,760 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-10-09 11:57:27,966 INFO L132 LiptonReduction]: Checked pairs total: 18139 [2020-10-09 11:57:27,966 INFO L134 LiptonReduction]: Total number of compositions: 103 [2020-10-09 11:57:27,967 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 79 transitions, 248 flow Received shutdown request... [2020-10-09 12:10:10,991 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 12:10:10,993 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 12:10:10,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 12:10:10 BasicIcfg [2020-10-09 12:10:10,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 12:10:10,999 INFO L168 Benchmark]: Toolchain (without parser) took 837707.32 ms. Allocated memory was 252.2 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 207.3 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-09 12:10:10,999 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 12:10:11,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.73 ms. Allocated memory was 252.2 MB in the beginning and 317.7 MB in the end (delta: 65.5 MB). Free memory was 207.3 MB in the beginning and 273.6 MB in the end (delta: -66.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:10:11,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 317.7 MB. Free memory was 273.6 MB in the beginning and 271.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:10:11,001 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 ms. Allocated memory is still 317.7 MB. Free memory was 271.0 MB in the beginning and 268.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 12:10:11,002 INFO L168 Benchmark]: RCFGBuilder took 597.38 ms. Allocated memory is still 317.7 MB. Free memory was 268.5 MB in the beginning and 236.6 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. [2020-10-09 12:10:11,002 INFO L168 Benchmark]: TraceAbstraction took 836391.71 ms. Allocated memory was 317.7 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 236.6 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-09 12:10:11,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 633.73 ms. Allocated memory was 252.2 MB in the beginning and 317.7 MB in the end (delta: 65.5 MB). Free memory was 207.3 MB in the beginning and 273.6 MB in the end (delta: -66.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 317.7 MB. Free memory was 273.6 MB in the beginning and 271.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.87 ms. Allocated memory is still 317.7 MB. Free memory was 271.0 MB in the beginning and 268.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 597.38 ms. Allocated memory is still 317.7 MB. Free memory was 268.5 MB in the beginning and 236.6 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 836391.71 ms. Allocated memory was 317.7 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 236.6 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 469 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 58 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 50 PlacesBefore, 25 PlacesAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 33 TotalNumberOfCompositions, 1474 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 971 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 226 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 75 PlacesBefore, 43 PlacesAfterwards, 76 TransitionsBefore, 37 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 49 TotalNumberOfCompositions, 4577 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1439 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 27 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 272 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 100 PlacesBefore, 59 PlacesAfterwards, 102 TransitionsBefore, 52 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 11 ConcurrentYvCompositions, 9 ChoiceCompositions, 69 TotalNumberOfCompositions, 9399 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2397 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 24 SemBasedMoverChecksPositive, 63 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 640 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 125 PlacesBefore, 75 PlacesAfterwards, 128 TransitionsBefore, 65 TransitionsAfterwards, 4344 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 12 ConcurrentYvCompositions, 13 ChoiceCompositions, 85 TotalNumberOfCompositions, 14072 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3019 VarBasedMoverChecksPositive, 79 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 648 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 150 PlacesBefore, 91 PlacesAfterwards, 154 TransitionsBefore, 79 TransitionsAfterwards, 6144 CoEnabledTransitionPairs, 4 FixpointIterations, 43 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 14 ConcurrentYvCompositions, 16 ChoiceCompositions, 103 TotalNumberOfCompositions, 18139 MoverChecksTotal - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 91 places, 79 transitions, 248 flow. Already constructed 607833 states. Currently 89634 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 836.0s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 825.4s, HoareTripleCheckerStatistics: 222 SDtfs, 248 SDslu, 161 SDs, 0 SdLazy, 143 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136922occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 1684 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown