/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 21:11:14,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 21:11:14,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 21:11:14,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 21:11:14,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 21:11:14,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 21:11:14,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 21:11:14,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 21:11:14,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 21:11:14,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 21:11:14,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 21:11:14,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 21:11:14,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 21:11:14,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 21:11:14,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 21:11:14,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 21:11:14,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 21:11:14,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 21:11:14,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 21:11:14,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 21:11:14,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 21:11:14,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 21:11:14,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 21:11:14,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 21:11:14,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 21:11:14,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 21:11:14,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 21:11:14,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 21:11:14,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 21:11:14,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 21:11:14,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 21:11:14,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 21:11:14,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 21:11:14,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 21:11:14,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 21:11:14,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 21:11:14,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 21:11:14,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 21:11:14,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 21:11:14,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 21:11:14,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 21:11:14,128 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 21:11:14,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 21:11:14,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 21:11:14,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 21:11:14,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 21:11:14,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 21:11:14,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 21:11:14,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 21:11:14,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 21:11:14,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 21:11:14,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 21:11:14,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 21:11:14,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 21:11:14,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 21:11:14,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 21:11:14,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 21:11:14,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 21:11:14,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 21:11:14,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 21:11:14,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 21:11:14,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 21:11:14,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 21:11:14,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 21:11:14,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 21:11:14,495 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 21:11:14,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-15 21:11:14,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7e8fe1/6aa6dc47f40e4a5cbf4075e6de045560/FLAG4d421069e [2020-10-15 21:11:15,094 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 21:11:15,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-15 21:11:15,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7e8fe1/6aa6dc47f40e4a5cbf4075e6de045560/FLAG4d421069e [2020-10-15 21:11:15,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda7e8fe1/6aa6dc47f40e4a5cbf4075e6de045560 [2020-10-15 21:11:15,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 21:11:15,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 21:11:15,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 21:11:15,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 21:11:15,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 21:11:15,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:15,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac27c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15, skipping insertion in model container [2020-10-15 21:11:15,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:15,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 21:11:15,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 21:11:15,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 21:11:15,817 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 21:11:15,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 21:11:15,952 INFO L208 MainTranslator]: Completed translation [2020-10-15 21:11:15,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15 WrapperNode [2020-10-15 21:11:15,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 21:11:15,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 21:11:15,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 21:11:15,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 21:11:15,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:15,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:15,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 21:11:15,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 21:11:15,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 21:11:15,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 21:11:16,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (1/1) ... [2020-10-15 21:11:16,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 21:11:16,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 21:11:16,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 21:11:16,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 21:11:16,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (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 [2020-10-15 21:11:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-15 21:11:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-15 21:11:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 21:11:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 21:11:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 21:11:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 21:11:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 21:11:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 21:11:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 21:11:16,098 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 21:11:16,573 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 21:11:16,574 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-15 21:11:16,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:16 BoogieIcfgContainer [2020-10-15 21:11:16,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 21:11:16,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 21:11:16,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 21:11:16,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 21:11:16,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:15" (1/3) ... [2020-10-15 21:11:16,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c1687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:16, skipping insertion in model container [2020-10-15 21:11:16,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:15" (2/3) ... [2020-10-15 21:11:16,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c1687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:16, skipping insertion in model container [2020-10-15 21:11:16,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:16" (3/3) ... [2020-10-15 21:11:16,585 INFO L111 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-10-15 21:11:16,597 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 21:11:16,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 21:11:16,604 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 21:11:16,606 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 21:11:16,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:16,662 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 21:11:16,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:11:16,684 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:11:16,684 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:11:16,684 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:11:16,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:11:16,685 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:11:16,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:11:16,685 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:11:16,702 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:11:16,707 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-15 21:11:16,710 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-15 21:11:16,713 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-15 21:11:16,758 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-15 21:11:16,758 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 21:11:16,763 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. [2020-10-15 21:11:16,766 INFO L117 LiptonReduction]: Number of co-enabled transitions 816 [2020-10-15 21:11:17,461 INFO L132 LiptonReduction]: Checked pairs total: 1474 [2020-10-15 21:11:17,461 INFO L134 LiptonReduction]: Total number of compositions: 33 [2020-10-15 21:11:17,468 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2020-10-15 21:11:17,491 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-15 21:11:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-15 21:11:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 21:11:17,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:17,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 21:11:17,502 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 21:11:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash 304347605, now seen corresponding path program 1 times [2020-10-15 21:11:17,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:17,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564392847] [2020-10-15 21:11:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:11:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:11:17,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564392847] [2020-10-15 21:11:17,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:11:17,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 21:11:17,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226001939] [2020-10-15 21:11:17,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:11:17,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:11:17,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:11:17,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:11:17,727 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-15 21:11:17,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:11:17,770 INFO L93 Difference]: Finished difference Result 142 states and 378 transitions. [2020-10-15 21:11:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:11:17,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 21:11:17,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:11:17,785 INFO L225 Difference]: With dead ends: 142 [2020-10-15 21:11:17,785 INFO L226 Difference]: Without dead ends: 142 [2020-10-15 21:11:17,787 INFO L677 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 [2020-10-15 21:11:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-15 21:11:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-15 21:11:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-15 21:11:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 378 transitions. [2020-10-15 21:11:17,841 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 378 transitions. Word has length 5 [2020-10-15 21:11:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:11:17,841 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 378 transitions. [2020-10-15 21:11:17,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:11:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2020-10-15 21:11:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 21:11:17,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:17,843 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-15 21:11:17,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 21:11:17,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 21:11:17,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:17,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510738, now seen corresponding path program 1 times [2020-10-15 21:11:17,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:17,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145629149] [2020-10-15 21:11:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:17,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:17,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:17,921 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 21:11:17,922 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 21:11:17,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 21:11:17,936 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 21:11:17,937 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 21:11:17,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:17,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 21:11:17,980 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:11:17,980 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:11:17,980 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:11:17,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:11:17,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:11:17,981 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:11:17,981 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:11:17,981 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:11:17,983 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:11:17,984 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-15 21:11:17,984 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-15 21:11:17,984 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-15 21:11:18,004 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-15 21:11:18,004 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 21:11:18,006 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. [2020-10-15 21:11:18,009 INFO L117 LiptonReduction]: Number of co-enabled transitions 1680 [2020-10-15 21:11:18,852 INFO L132 LiptonReduction]: Checked pairs total: 4577 [2020-10-15 21:11:18,853 INFO L134 LiptonReduction]: Total number of compositions: 49 [2020-10-15 21:11:18,853 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 37 transitions, 98 flow [2020-10-15 21:11:18,959 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2138 states. [2020-10-15 21:11:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states. [2020-10-15 21:11:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 21:11:18,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:18,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 21:11:18,961 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:11:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash 447912364, now seen corresponding path program 1 times [2020-10-15 21:11:18,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:18,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571947057] [2020-10-15 21:11:18,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:11:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:11:19,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571947057] [2020-10-15 21:11:19,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:11:19,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 21:11:19,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523347401] [2020-10-15 21:11:19,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:11:19,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:11:19,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:11:19,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:11:19,027 INFO L87 Difference]: Start difference. First operand 2138 states. Second operand 3 states. [2020-10-15 21:11:19,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:11:19,082 INFO L93 Difference]: Finished difference Result 1368 states and 5000 transitions. [2020-10-15 21:11:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:11:19,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 21:11:19,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:11:19,104 INFO L225 Difference]: With dead ends: 1368 [2020-10-15 21:11:19,104 INFO L226 Difference]: Without dead ends: 1368 [2020-10-15 21:11:19,105 INFO L677 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 [2020-10-15 21:11:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-15 21:11:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-10-15 21:11:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-15 21:11:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 5000 transitions. [2020-10-15 21:11:19,215 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 5000 transitions. Word has length 5 [2020-10-15 21:11:19,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:11:19,216 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 5000 transitions. [2020-10-15 21:11:19,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:11:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 5000 transitions. [2020-10-15 21:11:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 21:11:19,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:19,224 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-15 21:11:19,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 21:11:19,225 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:11:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:19,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1411337890, now seen corresponding path program 1 times [2020-10-15 21:11:19,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:19,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059908181] [2020-10-15 21:11:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:19,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:19,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:19,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 21:11:19,300 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 21:11:19,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 21:11:19,301 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 21:11:19,302 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 21:11:19,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,312 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,312 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,319 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,319 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,319 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,320 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,320 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,320 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,321 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,321 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,321 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,324 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,324 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,330 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:19,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 21:11:19,341 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:11:19,341 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:11:19,341 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:11:19,341 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:11:19,341 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:11:19,341 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:11:19,341 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:11:19,341 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:11:19,343 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:11:19,343 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-15 21:11:19,343 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-15 21:11:19,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-15 21:11:19,362 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-15 21:11:19,363 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 21:11:19,364 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. [2020-10-15 21:11:19,368 INFO L117 LiptonReduction]: Number of co-enabled transitions 2856 [2020-10-15 21:11:20,513 INFO L132 LiptonReduction]: Checked pairs total: 9399 [2020-10-15 21:11:20,513 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-15 21:11:20,516 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 52 transitions, 146 flow [2020-10-15 21:11:21,928 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 17114 states. [2020-10-15 21:11:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 17114 states. [2020-10-15 21:11:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 21:11:21,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:21,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 21:11:21,930 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:11:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash 635263293, now seen corresponding path program 1 times [2020-10-15 21:11:21,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:21,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462090591] [2020-10-15 21:11:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:11:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:11:21,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462090591] [2020-10-15 21:11:21,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:11:21,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 21:11:21,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002924436] [2020-10-15 21:11:21,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:11:21,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:11:21,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:11:21,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:11:21,997 INFO L87 Difference]: Start difference. First operand 17114 states. Second operand 3 states. [2020-10-15 21:11:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:11:22,162 INFO L93 Difference]: Finished difference Result 8928 states and 41442 transitions. [2020-10-15 21:11:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:11:22,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 21:11:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:11:22,279 INFO L225 Difference]: With dead ends: 8928 [2020-10-15 21:11:22,280 INFO L226 Difference]: Without dead ends: 8928 [2020-10-15 21:11:22,280 INFO L677 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 [2020-10-15 21:11:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2020-10-15 21:11:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8928. [2020-10-15 21:11:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8928 states. [2020-10-15 21:11:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 41442 transitions. [2020-10-15 21:11:22,815 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 41442 transitions. Word has length 5 [2020-10-15 21:11:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:11:22,815 INFO L481 AbstractCegarLoop]: Abstraction has 8928 states and 41442 transitions. [2020-10-15 21:11:22,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:11:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 41442 transitions. [2020-10-15 21:11:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 21:11:22,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:22,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:11:22,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 21:11:22,818 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:11:22,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1729216085, now seen corresponding path program 1 times [2020-10-15 21:11:22,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:22,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210154772] [2020-10-15 21:11:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:11:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:11:22,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210154772] [2020-10-15 21:11:22,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:11:22,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 21:11:22,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334486729] [2020-10-15 21:11:22,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:11:22,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:11:22,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:11:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:11:22,878 INFO L87 Difference]: Start difference. First operand 8928 states and 41442 transitions. Second operand 3 states. [2020-10-15 21:11:23,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:11:23,048 INFO L93 Difference]: Finished difference Result 1296 states and 4266 transitions. [2020-10-15 21:11:23,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:11:23,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 21:11:23,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:11:23,066 INFO L225 Difference]: With dead ends: 1296 [2020-10-15 21:11:23,066 INFO L226 Difference]: Without dead ends: 1296 [2020-10-15 21:11:23,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:11:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-10-15 21:11:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1044. [2020-10-15 21:11:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-15 21:11:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3468 transitions. [2020-10-15 21:11:23,109 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3468 transitions. Word has length 12 [2020-10-15 21:11:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:11:23,109 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 3468 transitions. [2020-10-15 21:11:23,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:11:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3468 transitions. [2020-10-15 21:11:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 21:11:23,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:11:23,115 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:11:23,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 21:11:23,115 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:11:23,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:11:23,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1085212391, now seen corresponding path program 1 times [2020-10-15 21:11:23,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:11:23,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159614437] [2020-10-15 21:11:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:11:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:23,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:11:23,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:11:23,173 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 21:11:23,174 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 21:11:23,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 21:11:23,176 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 21:11:23,177 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 21:11:23,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,205 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,207 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,210 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,210 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:11:23,225 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 21:11:23,226 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:11:23,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:11:23,226 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:11:23,226 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:11:23,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:11:23,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:11:23,226 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:11:23,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:11:23,229 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:11:23,229 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-15 21:11:23,229 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-15 21:11:23,230 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-15 21:11:23,260 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-15 21:11:23,260 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 21:11:23,264 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. [2020-10-15 21:11:23,270 INFO L117 LiptonReduction]: Number of co-enabled transitions 4344 [2020-10-15 21:11:24,467 INFO L132 LiptonReduction]: Checked pairs total: 14072 [2020-10-15 21:11:24,467 INFO L134 LiptonReduction]: Total number of compositions: 85 [2020-10-15 21:11:24,467 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 65 transitions, 194 flow [2020-10-15 21:12:15,244 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136922 states. [2020-10-15 21:12:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states. [2020-10-15 21:12:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 21:12:15,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:12:15,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 21:12:15,245 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]=== [2020-10-15 21:12:15,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:12:15,245 INFO L82 PathProgramCache]: Analyzing trace with hash 862829487, now seen corresponding path program 1 times [2020-10-15 21:12:15,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:12:15,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484510498] [2020-10-15 21:12:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:12:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:12:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:12:15,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484510498] [2020-10-15 21:12:15,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:12:15,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 21:12:15,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620919089] [2020-10-15 21:12:15,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:12:15,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:12:15,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:12:15,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:12:15,313 INFO L87 Difference]: Start difference. First operand 136922 states. Second operand 3 states. [2020-10-15 21:12:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:12:16,188 INFO L93 Difference]: Finished difference Result 59058 states and 333130 transitions. [2020-10-15 21:12:16,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:12:16,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 21:12:16,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:12:16,607 INFO L225 Difference]: With dead ends: 59058 [2020-10-15 21:12:16,607 INFO L226 Difference]: Without dead ends: 59058 [2020-10-15 21:12:16,607 INFO L677 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 [2020-10-15 21:12:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59058 states. [2020-10-15 21:12:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59058 to 59058. [2020-10-15 21:12:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59058 states. [2020-10-15 21:12:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59058 states to 59058 states and 333130 transitions. [2020-10-15 21:12:20,729 INFO L78 Accepts]: Start accepts. Automaton has 59058 states and 333130 transitions. Word has length 5 [2020-10-15 21:12:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:12:20,729 INFO L481 AbstractCegarLoop]: Abstraction has 59058 states and 333130 transitions. [2020-10-15 21:12:20,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:12:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 59058 states and 333130 transitions. [2020-10-15 21:12:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 21:12:20,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:12:20,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:12:20,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 21:12:20,731 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]=== [2020-10-15 21:12:20,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:12:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash -100722456, now seen corresponding path program 1 times [2020-10-15 21:12:20,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:12:20,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715162238] [2020-10-15 21:12:20,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:12:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:12:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:12:20,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715162238] [2020-10-15 21:12:20,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:12:20,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 21:12:20,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821191559] [2020-10-15 21:12:20,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:12:20,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:12:20,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:12:20,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:12:20,755 INFO L87 Difference]: Start difference. First operand 59058 states and 333130 transitions. Second operand 3 states. [2020-10-15 21:12:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:12:20,823 INFO L93 Difference]: Finished difference Result 3409 states and 12915 transitions. [2020-10-15 21:12:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:12:20,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 21:12:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:12:20,839 INFO L225 Difference]: With dead ends: 3409 [2020-10-15 21:12:20,839 INFO L226 Difference]: Without dead ends: 3409 [2020-10-15 21:12:20,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:12:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-15 21:12:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2693. [2020-10-15 21:12:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2693 states. [2020-10-15 21:12:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 10317 transitions. [2020-10-15 21:12:20,933 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 10317 transitions. Word has length 12 [2020-10-15 21:12:20,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:12:20,934 INFO L481 AbstractCegarLoop]: Abstraction has 2693 states and 10317 transitions. [2020-10-15 21:12:20,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:12:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 10317 transitions. [2020-10-15 21:12:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 21:12:20,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:12:20,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:12:20,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 21:12:20,936 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]=== [2020-10-15 21:12:20,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:12:20,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2082374841, now seen corresponding path program 1 times [2020-10-15 21:12:20,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:12:20,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60952540] [2020-10-15 21:12:20,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:12:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:12:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:12:20,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60952540] [2020-10-15 21:12:20,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:12:20,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 21:12:20,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771759580] [2020-10-15 21:12:20,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 21:12:20,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:12:20,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 21:12:20,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:12:20,996 INFO L87 Difference]: Start difference. First operand 2693 states and 10317 transitions. Second operand 5 states. [2020-10-15 21:12:21,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:12:21,134 INFO L93 Difference]: Finished difference Result 5571 states and 21032 transitions. [2020-10-15 21:12:21,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 21:12:21,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-15 21:12:21,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:12:21,154 INFO L225 Difference]: With dead ends: 5571 [2020-10-15 21:12:21,154 INFO L226 Difference]: Without dead ends: 5571 [2020-10-15 21:12:21,155 INFO L677 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 [2020-10-15 21:12:21,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2020-10-15 21:12:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 4855. [2020-10-15 21:12:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4855 states. [2020-10-15 21:12:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 18434 transitions. [2020-10-15 21:12:21,290 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 18434 transitions. Word has length 15 [2020-10-15 21:12:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:12:21,291 INFO L481 AbstractCegarLoop]: Abstraction has 4855 states and 18434 transitions. [2020-10-15 21:12:21,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 21:12:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 18434 transitions. [2020-10-15 21:12:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 21:12:21,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:12:21,295 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:12:21,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 21:12:21,295 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]=== [2020-10-15 21:12:21,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:12:21,296 INFO L82 PathProgramCache]: Analyzing trace with hash -828571092, now seen corresponding path program 1 times [2020-10-15 21:12:21,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:12:21,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456350804] [2020-10-15 21:12:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:12:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:12:21,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:12:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:12:21,323 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:12:21,341 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 21:12:21,341 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 21:12:21,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 21:12:21,342 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 21:12:21,342 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 21:12:21,354 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,354 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,355 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,356 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,356 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,357 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,362 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,362 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,362 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,362 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,362 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,363 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,364 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,364 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,367 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,367 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,367 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,367 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,368 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,381 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,381 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,381 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,381 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,382 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,384 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,384 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,386 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,389 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,390 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:12:21,394 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 21:12:21,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:12:21,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:12:21,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:12:21,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:12:21,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:12:21,394 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:12:21,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:12:21,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:12:21,396 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:12:21,396 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-15 21:12:21,396 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-15 21:12:21,397 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-15 21:12:21,425 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-15 21:12:21,425 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 21:12:21,427 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. [2020-10-15 21:12:21,434 INFO L117 LiptonReduction]: Number of co-enabled transitions 6144 [2020-10-15 21:12:22,806 INFO L132 LiptonReduction]: Checked pairs total: 18139 [2020-10-15 21:12:22,806 INFO L134 LiptonReduction]: Total number of compositions: 103 [2020-10-15 21:12:22,807 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 79 transitions, 248 flow Received shutdown request... [2020-10-15 21:25:20,750 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 21:25:20,753 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 21:25:20,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:25:20 BasicIcfg [2020-10-15 21:25:20,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 21:25:20,756 INFO L168 Benchmark]: Toolchain (without parser) took 845400.25 ms. Allocated memory was 252.2 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 208.1 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-15 21:25:20,757 INFO L168 Benchmark]: CDTParser took 0.22 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. [2020-10-15 21:25:20,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.46 ms. Allocated memory was 252.2 MB in the beginning and 315.1 MB in the end (delta: 62.9 MB). Free memory was 208.1 MB in the beginning and 270.4 MB in the end (delta: -62.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. [2020-10-15 21:25:20,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 315.1 MB. Free memory was 270.4 MB in the beginning and 267.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 21:25:20,759 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 ms. Allocated memory is still 315.1 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 21:25:20,760 INFO L168 Benchmark]: RCFGBuilder took 551.50 ms. Allocated memory is still 315.1 MB. Free memory was 267.9 MB in the beginning and 233.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 14.2 GB. [2020-10-15 21:25:20,761 INFO L168 Benchmark]: TraceAbstraction took 844176.06 ms. Allocated memory was 315.1 MB in the beginning and 6.4 GB in the end (delta: 6.0 GB). Free memory was 233.5 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-10-15 21:25:20,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 597.46 ms. Allocated memory was 252.2 MB in the beginning and 315.1 MB in the end (delta: 62.9 MB). Free memory was 208.1 MB in the beginning and 270.4 MB in the end (delta: -62.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 315.1 MB. Free memory was 270.4 MB in the beginning and 267.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.30 ms. Allocated memory is still 315.1 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 551.50 ms. Allocated memory is still 315.1 MB. Free memory was 267.9 MB in the beginning and 233.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 844176.06 ms. Allocated memory was 315.1 MB in the beginning and 6.4 GB in the end (delta: 6.0 GB). Free memory was 233.5 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.7 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: 0.8s, 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: 1.2s, 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: 1.4s, 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 630038 states. Currently 90271 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 843.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 835.7s, 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: 5.0s 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