/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 11:06:44,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 11:06:44,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 11:06:44,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 11:06:44,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 11:06:44,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 11:06:44,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 11:06:44,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 11:06:45,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 11:06:45,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 11:06:45,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 11:06:45,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 11:06:45,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 11:06:45,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 11:06:45,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 11:06:45,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 11:06:45,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 11:06:45,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 11:06:45,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 11:06:45,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 11:06:45,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 11:06:45,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 11:06:45,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 11:06:45,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 11:06:45,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 11:06:45,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 11:06:45,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 11:06:45,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 11:06:45,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 11:06:45,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 11:06:45,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 11:06:45,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 11:06:45,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 11:06:45,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 11:06:45,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 11:06:45,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 11:06:45,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 11:06:45,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 11:06:45,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 11:06:45,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 11:06:45,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 11:06:45,104 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 11:06:45,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 11:06:45,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 11:06:45,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 11:06:45,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 11:06:45,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 11:06:45,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 11:06:45,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 11:06:45,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 11:06:45,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 11:06:45,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 11:06:45,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 11:06:45,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 11:06:45,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 11:06:45,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 11:06:45,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 11:06:45,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 11:06:45,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:06:45,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 11:06:45,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 11:06:45,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 11:06:45,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 11:06:45,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 11:06:45,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 11:06:45,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 11:06:45,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 11:06:45,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 11:06:45,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 11:06:45,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 11:06:45,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 11:06:45,404 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 11:06:45,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-09 11:06:45,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3b4baea/3ab11570ab9f487681b781cc07980c8b/FLAGe554b2506 [2020-10-09 11:06:45,996 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 11:06:45,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-09 11:06:46,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3b4baea/3ab11570ab9f487681b781cc07980c8b/FLAGe554b2506 [2020-10-09 11:06:46,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3b4baea/3ab11570ab9f487681b781cc07980c8b [2020-10-09 11:06:46,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 11:06:46,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 11:06:46,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 11:06:46,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 11:06:46,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 11:06:46,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:06:46" (1/1) ... [2020-10-09 11:06:46,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e15ceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:46, skipping insertion in model container [2020-10-09 11:06:46,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:06:46" (1/1) ... [2020-10-09 11:06:46,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 11:06:46,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 11:06:46,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:06:46,920 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 11:06:46,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:06:47,069 INFO L208 MainTranslator]: Completed translation [2020-10-09 11:06:47,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47 WrapperNode [2020-10-09 11:06:47,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 11:06:47,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 11:06:47,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 11:06:47,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 11:06:47,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 11:06:47,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 11:06:47,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 11:06:47,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 11:06:47,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... [2020-10-09 11:06:47,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 11:06:47,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 11:06:47,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 11:06:47,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 11:06:47,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:06:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-09 11:06:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-09 11:06:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 11:06:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 11:06:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 11:06:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 11:06:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 11:06:47,212 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 11:06:47,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 11:06:47,630 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-09 11:06:47,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:06:47 BoogieIcfgContainer [2020-10-09 11:06:47,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 11:06:47,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 11:06:47,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 11:06:47,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 11:06:47,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 11:06:46" (1/3) ... [2020-10-09 11:06:47,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5c73ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:06:47, skipping insertion in model container [2020-10-09 11:06:47,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:06:47" (2/3) ... [2020-10-09 11:06:47,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5c73ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:06:47, skipping insertion in model container [2020-10-09 11:06:47,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:06:47" (3/3) ... [2020-10-09 11:06:47,642 INFO L111 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2020-10-09 11:06:47,656 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 11:06:47,657 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 11:06:47,664 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 11:06:47,665 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 11:06:47,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:47,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-09 11:06:47,742 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:06:47,743 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:06:47,743 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:06:47,743 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:06:47,743 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:06:47,743 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:06:47,743 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:06:47,744 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:06:47,754 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:06:47,757 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-09 11:06:47,760 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-09 11:06:47,763 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-09 11:06:47,799 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-09 11:06:47,799 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 11:06:47,804 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-09 11:06:47,806 INFO L117 LiptonReduction]: Number of co-enabled transitions 320 [2020-10-09 11:06:48,985 INFO L132 LiptonReduction]: Checked pairs total: 295 [2020-10-09 11:06:48,985 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-09 11:06:48,993 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-09 11:06:49,003 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-09 11:06:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-09 11:06:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-09 11:06:49,012 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:49,013 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-09 11:06:49,013 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:06:49,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:49,020 INFO L82 PathProgramCache]: Analyzing trace with hash 7400622, now seen corresponding path program 1 times [2020-10-09 11:06:49,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:49,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083371574] [2020-10-09 11:06:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:06:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:06:49,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083371574] [2020-10-09 11:06:49,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:06:49,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 11:06:49,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124392955] [2020-10-09 11:06:49,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 11:06:49,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:06:49,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 11:06:49,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:06:49,222 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-10-09 11:06:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:06:49,237 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-09 11:06:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 11:06:49,239 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-09 11:06:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:06:49,250 INFO L225 Difference]: With dead ends: 11 [2020-10-09 11:06:49,250 INFO L226 Difference]: Without dead ends: 11 [2020-10-09 11:06:49,252 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:06:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-09 11:06:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-09 11:06:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-09 11:06:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-09 11:06:49,286 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-09 11:06:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:06:49,287 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-09 11:06:49,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 11:06:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-09 11:06:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-09 11:06:49,288 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:49,288 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-09 11:06:49,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 11:06:49,289 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:06:49,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:49,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1478000843, now seen corresponding path program 1 times [2020-10-09 11:06:49,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:49,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871273967] [2020-10-09 11:06:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:49,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:49,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:49,347 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:06:49,347 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:06:49,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 11:06:49,350 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:06:49,350 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-09 11:06:49,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:49,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 11:06:49,377 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:06:49,377 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:06:49,377 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:06:49,377 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:06:49,378 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:06:49,378 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:06:49,378 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:06:49,378 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:06:49,381 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:06:49,381 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-09 11:06:49,381 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-09 11:06:49,381 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-09 11:06:49,399 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-09 11:06:49,399 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-09 11:06:49,402 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-09 11:06:49,404 INFO L117 LiptonReduction]: Number of co-enabled transitions 1184 [2020-10-09 11:06:50,374 INFO L132 LiptonReduction]: Checked pairs total: 3194 [2020-10-09 11:06:50,374 INFO L134 LiptonReduction]: Total number of compositions: 34 [2020-10-09 11:06:50,374 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 62 flow [2020-10-09 11:06:50,421 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2020-10-09 11:06:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2020-10-09 11:06:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:06:50,425 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:50,425 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:06:50,426 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:06:50,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:50,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1194994076, now seen corresponding path program 1 times [2020-10-09 11:06:50,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:50,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43202682] [2020-10-09 11:06:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:06:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:06:50,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43202682] [2020-10-09 11:06:50,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:06:50,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:06:50,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622241920] [2020-10-09 11:06:50,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:06:50,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:06:50,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:06:50,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:06:50,620 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 5 states. [2020-10-09 11:06:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:06:50,749 INFO L93 Difference]: Finished difference Result 420 states and 1023 transitions. [2020-10-09 11:06:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:06:50,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-09 11:06:50,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:06:50,761 INFO L225 Difference]: With dead ends: 420 [2020-10-09 11:06:50,762 INFO L226 Difference]: Without dead ends: 420 [2020-10-09 11:06:50,762 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:06:50,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-10-09 11:06:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 340. [2020-10-09 11:06:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-10-09 11:06:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 855 transitions. [2020-10-09 11:06:50,815 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 855 transitions. Word has length 9 [2020-10-09 11:06:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:06:50,815 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 855 transitions. [2020-10-09 11:06:50,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:06:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 855 transitions. [2020-10-09 11:06:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:06:50,817 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:50,817 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-09 11:06:50,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 11:06:50,817 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:06:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:50,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1335142672, now seen corresponding path program 1 times [2020-10-09 11:06:50,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:50,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113921817] [2020-10-09 11:06:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:50,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:50,842 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:50,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:06:50,854 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:06:50,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 11:06:50,857 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:06:50,858 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-09 11:06:50,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:50,888 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 11:06:50,888 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:06:50,888 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:06:50,889 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:06:50,889 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:06:50,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:06:50,889 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:06:50,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:06:50,889 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:06:50,891 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:06:50,891 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-09 11:06:50,892 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-09 11:06:50,892 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-09 11:06:50,920 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-09 11:06:50,920 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-09 11:06:50,922 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-09 11:06:50,925 INFO L117 LiptonReduction]: Number of co-enabled transitions 2592 [2020-10-09 11:06:52,113 INFO L132 LiptonReduction]: Checked pairs total: 9163 [2020-10-09 11:06:52,113 INFO L134 LiptonReduction]: Total number of compositions: 43 [2020-10-09 11:06:52,114 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 35 transitions, 91 flow [2020-10-09 11:06:52,366 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2020-10-09 11:06:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2020-10-09 11:06:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:06:52,367 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:52,368 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:06:52,368 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:06:52,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:52,369 INFO L82 PathProgramCache]: Analyzing trace with hash 680083894, now seen corresponding path program 1 times [2020-10-09 11:06:52,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:52,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739145761] [2020-10-09 11:06:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:06:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:06:52,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739145761] [2020-10-09 11:06:52,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:06:52,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:06:52,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755849600] [2020-10-09 11:06:52,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:06:52,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:06:52,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:06:52,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:06:52,519 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 5 states. [2020-10-09 11:06:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:06:52,794 INFO L93 Difference]: Finished difference Result 4685 states and 16109 transitions. [2020-10-09 11:06:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:06:52,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-09 11:06:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:06:52,851 INFO L225 Difference]: With dead ends: 4685 [2020-10-09 11:06:52,851 INFO L226 Difference]: Without dead ends: 4685 [2020-10-09 11:06:52,851 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:06:52,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2020-10-09 11:06:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3505. [2020-10-09 11:06:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3505 states. [2020-10-09 11:06:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 12416 transitions. [2020-10-09 11:06:53,117 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 12416 transitions. Word has length 9 [2020-10-09 11:06:53,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:06:53,118 INFO L481 AbstractCegarLoop]: Abstraction has 3505 states and 12416 transitions. [2020-10-09 11:06:53,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:06:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 12416 transitions. [2020-10-09 11:06:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:06:53,120 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:06:53,120 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-09 11:06:53,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 11:06:53,121 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:06:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:06:53,121 INFO L82 PathProgramCache]: Analyzing trace with hash -450990296, now seen corresponding path program 1 times [2020-10-09 11:06:53,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:06:53,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532537793] [2020-10-09 11:06:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:06:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:53,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:06:53,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:06:53,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:06:53,150 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:06:53,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 11:06:53,151 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:06:53,151 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-09 11:06:53,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:06:53,184 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-09 11:06:53,184 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:06:53,184 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:06:53,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:06:53,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:06:53,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:06:53,185 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:06:53,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:06:53,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:06:53,187 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:06:53,187 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-09 11:06:53,187 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-09 11:06:53,187 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-09 11:06:53,207 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-09 11:06:53,207 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-09 11:06:53,208 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-09 11:06:53,214 INFO L117 LiptonReduction]: Number of co-enabled transitions 4544 [2020-10-09 11:06:55,004 INFO L132 LiptonReduction]: Checked pairs total: 16244 [2020-10-09 11:06:55,004 INFO L134 LiptonReduction]: Total number of compositions: 54 [2020-10-09 11:06:55,005 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 45 transitions, 122 flow [2020-10-09 11:07:00,256 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36085 states. [2020-10-09 11:07:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36085 states. [2020-10-09 11:07:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:07:00,257 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:07:00,257 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:07:00,257 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:07:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:07:00,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1611612170, now seen corresponding path program 1 times [2020-10-09 11:07:00,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:07:00,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536222229] [2020-10-09 11:07:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:07:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:07:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:07:00,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536222229] [2020-10-09 11:07:00,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:07:00,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:07:00,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411732946] [2020-10-09 11:07:00,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:07:00,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:07:00,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:07:00,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:07:00,356 INFO L87 Difference]: Start difference. First operand 36085 states. Second operand 5 states. [2020-10-09 11:07:01,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:07:01,500 INFO L93 Difference]: Finished difference Result 47190 states and 210662 transitions. [2020-10-09 11:07:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:07:01,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-09 11:07:01,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:07:01,834 INFO L225 Difference]: With dead ends: 47190 [2020-10-09 11:07:01,834 INFO L226 Difference]: Without dead ends: 47190 [2020-10-09 11:07:01,835 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:07:04,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47190 states. [2020-10-09 11:07:05,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47190 to 34210. [2020-10-09 11:07:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34210 states. [2020-10-09 11:07:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34210 states to 34210 states and 156599 transitions. [2020-10-09 11:07:05,468 INFO L78 Accepts]: Start accepts. Automaton has 34210 states and 156599 transitions. Word has length 9 [2020-10-09 11:07:05,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:07:05,468 INFO L481 AbstractCegarLoop]: Abstraction has 34210 states and 156599 transitions. [2020-10-09 11:07:05,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:07:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 34210 states and 156599 transitions. [2020-10-09 11:07:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:07:05,472 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:07:05,472 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:07:05,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 11:07:05,472 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:07:05,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:07:05,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2021235878, now seen corresponding path program 1 times [2020-10-09 11:07:05,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:07:05,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836347192] [2020-10-09 11:07:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:07:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:07:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 11:07:05,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836347192] [2020-10-09 11:07:05,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:07:05,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:07:05,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066294180] [2020-10-09 11:07:05,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:07:05,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:07:05,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:07:05,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:07:05,560 INFO L87 Difference]: Start difference. First operand 34210 states and 156599 transitions. Second operand 5 states. [2020-10-09 11:07:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:07:06,338 INFO L93 Difference]: Finished difference Result 58400 states and 260286 transitions. [2020-10-09 11:07:06,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:07:06,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-09 11:07:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:07:08,853 INFO L225 Difference]: With dead ends: 58400 [2020-10-09 11:07:08,853 INFO L226 Difference]: Without dead ends: 58400 [2020-10-09 11:07:08,854 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:07:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58400 states. [2020-10-09 11:07:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58400 to 42352. [2020-10-09 11:07:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42352 states. [2020-10-09 11:07:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42352 states to 42352 states and 193270 transitions. [2020-10-09 11:07:10,793 INFO L78 Accepts]: Start accepts. Automaton has 42352 states and 193270 transitions. Word has length 12 [2020-10-09 11:07:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:07:10,793 INFO L481 AbstractCegarLoop]: Abstraction has 42352 states and 193270 transitions. [2020-10-09 11:07:10,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:07:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 42352 states and 193270 transitions. [2020-10-09 11:07:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 11:07:10,796 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:07:10,797 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:07:10,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 11:07:10,797 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:07:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:07:10,797 INFO L82 PathProgramCache]: Analyzing trace with hash 252682179, now seen corresponding path program 1 times [2020-10-09 11:07:10,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:07:10,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129735057] [2020-10-09 11:07:10,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:07:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:07:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-09 11:07:10,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129735057] [2020-10-09 11:07:10,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:07:10,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:07:10,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701219535] [2020-10-09 11:07:10,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:07:10,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:07:10,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:07:10,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:07:10,892 INFO L87 Difference]: Start difference. First operand 42352 states and 193270 transitions. Second operand 5 states. [2020-10-09 11:07:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:07:12,264 INFO L93 Difference]: Finished difference Result 70864 states and 315512 transitions. [2020-10-09 11:07:12,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:07:12,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-09 11:07:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:07:12,596 INFO L225 Difference]: With dead ends: 70864 [2020-10-09 11:07:12,596 INFO L226 Difference]: Without dead ends: 70864 [2020-10-09 11:07:12,596 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:07:13,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70864 states. [2020-10-09 11:07:16,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70864 to 51472. [2020-10-09 11:07:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51472 states. [2020-10-09 11:07:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51472 states to 51472 states and 234268 transitions. [2020-10-09 11:07:16,809 INFO L78 Accepts]: Start accepts. Automaton has 51472 states and 234268 transitions. Word has length 15 [2020-10-09 11:07:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:07:16,811 INFO L481 AbstractCegarLoop]: Abstraction has 51472 states and 234268 transitions. [2020-10-09 11:07:16,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:07:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 51472 states and 234268 transitions. [2020-10-09 11:07:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 11:07:16,813 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:07:16,813 INFO L421 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-09 11:07:16,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 11:07:16,813 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:07:16,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:07:16,814 INFO L82 PathProgramCache]: Analyzing trace with hash 649438076, now seen corresponding path program 1 times [2020-10-09 11:07:16,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:07:16,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114773165] [2020-10-09 11:07:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:07:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:07:16,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:07:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:07:16,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:07:16,838 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:07:16,838 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:07:16,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 11:07:16,839 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:07:16,839 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-09 11:07:16,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,848 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,848 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:07:16,873 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 11:07:16,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:07:16,874 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:07:16,874 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:07:16,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:07:16,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:07:16,874 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:07:16,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:07:16,875 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:07:16,876 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:07:16,876 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-09 11:07:16,876 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-09 11:07:16,876 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-09 11:07:16,922 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-09 11:07:16,922 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-09 11:07:16,927 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-09 11:07:16,937 INFO L117 LiptonReduction]: Number of co-enabled transitions 7040 [2020-10-09 11:07:19,312 INFO L132 LiptonReduction]: Checked pairs total: 36976 [2020-10-09 11:07:19,312 INFO L134 LiptonReduction]: Total number of compositions: 65 [2020-10-09 11:07:19,312 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 157 flow [2020-10-09 11:12:14,143 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 324769 states. [2020-10-09 11:12:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 324769 states. [2020-10-09 11:12:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:12:14,145 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:12:14,145 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:12:14,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:12:14,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:12:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1566824361, now seen corresponding path program 1 times [2020-10-09 11:12:14,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:12:14,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141518603] [2020-10-09 11:12:14,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:12:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:12:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:12:14,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141518603] [2020-10-09 11:12:14,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:12:14,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:12:14,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355165516] [2020-10-09 11:12:14,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:12:14,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:12:14,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:12:14,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:12:14,247 INFO L87 Difference]: Start difference. First operand 324769 states. Second operand 5 states. [2020-10-09 11:12:28,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:12:28,658 INFO L93 Difference]: Finished difference Result 451535 states and 2479114 transitions. [2020-10-09 11:12:28,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:12:28,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-09 11:12:28,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:12:30,542 INFO L225 Difference]: With dead ends: 451535 [2020-10-09 11:12:30,542 INFO L226 Difference]: Without dead ends: 451535 [2020-10-09 11:12:30,542 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:12:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451535 states. [2020-10-09 11:13:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451535 to 322855. [2020-10-09 11:13:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322855 states. [2020-10-09 11:13:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322855 states to 322855 states and 1810396 transitions. [2020-10-09 11:13:25,768 INFO L78 Accepts]: Start accepts. Automaton has 322855 states and 1810396 transitions. Word has length 9 [2020-10-09 11:13:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:13:25,769 INFO L481 AbstractCegarLoop]: Abstraction has 322855 states and 1810396 transitions. [2020-10-09 11:13:25,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:13:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 322855 states and 1810396 transitions. [2020-10-09 11:13:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:13:25,769 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:13:25,770 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:13:25,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-09 11:13:25,770 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:13:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:13:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1076432545, now seen corresponding path program 1 times [2020-10-09 11:13:25,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:13:25,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374925332] [2020-10-09 11:13:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:13:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:13:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 11:13:25,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374925332] [2020-10-09 11:13:25,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:13:25,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:13:25,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47042143] [2020-10-09 11:13:25,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:13:25,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:13:25,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:13:25,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:13:25,868 INFO L87 Difference]: Start difference. First operand 322855 states and 1810396 transitions. Second operand 5 states. [2020-10-09 11:13:46,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:13:46,590 INFO L93 Difference]: Finished difference Result 571320 states and 3134733 transitions. [2020-10-09 11:13:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:13:46,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-09 11:13:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:13:51,269 INFO L225 Difference]: With dead ends: 571320 [2020-10-09 11:13:51,269 INFO L226 Difference]: Without dead ends: 571320 [2020-10-09 11:13:51,270 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:14:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571320 states. [2020-10-09 11:14:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571320 to 408892. [2020-10-09 11:14:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408892 states. [2020-10-09 11:14:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408892 states to 408892 states and 2288588 transitions. [2020-10-09 11:14:52,251 INFO L78 Accepts]: Start accepts. Automaton has 408892 states and 2288588 transitions. Word has length 12 [2020-10-09 11:14:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:14:52,251 INFO L481 AbstractCegarLoop]: Abstraction has 408892 states and 2288588 transitions. [2020-10-09 11:14:52,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:14:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 408892 states and 2288588 transitions. [2020-10-09 11:14:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 11:14:52,253 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:14:52,253 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:14:52,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-09 11:14:52,253 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:14:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:14:52,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1831762553, now seen corresponding path program 1 times [2020-10-09 11:14:52,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:14:52,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087659683] [2020-10-09 11:14:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:14:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:14:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-09 11:14:52,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087659683] [2020-10-09 11:14:52,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:14:52,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:14:52,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664859690] [2020-10-09 11:14:52,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:14:52,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:14:52,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:14:52,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:14:52,358 INFO L87 Difference]: Start difference. First operand 408892 states and 2288588 transitions. Second operand 5 states. [2020-10-09 11:15:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:15:15,167 INFO L93 Difference]: Finished difference Result 709084 states and 3888136 transitions. [2020-10-09 11:15:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 11:15:15,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-09 11:15:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:15:35,690 INFO L225 Difference]: With dead ends: 709084 [2020-10-09 11:15:35,690 INFO L226 Difference]: Without dead ends: 709084 [2020-10-09 11:15:35,690 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:16:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709084 states. [2020-10-09 11:16:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709084 to 508012. [2020-10-09 11:16:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508012 states. [2020-10-09 11:16:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508012 states to 508012 states and 2838716 transitions. [2020-10-09 11:16:23,137 INFO L78 Accepts]: Start accepts. Automaton has 508012 states and 2838716 transitions. Word has length 15 [2020-10-09 11:16:23,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:16:23,138 INFO L481 AbstractCegarLoop]: Abstraction has 508012 states and 2838716 transitions. [2020-10-09 11:16:23,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:16:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 508012 states and 2838716 transitions. [2020-10-09 11:16:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-09 11:16:23,139 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:16:23,139 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:16:23,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-09 11:16:23,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:16:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:16:23,140 INFO L82 PathProgramCache]: Analyzing trace with hash 573959061, now seen corresponding path program 1 times [2020-10-09 11:16:23,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:16:23,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808904205] [2020-10-09 11:16:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:16:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:16:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 11:16:23,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808904205] [2020-10-09 11:16:23,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387559330] [2020-10-09 11:16:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 11:16:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:16:23,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-09 11:16:23,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 11:16:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-09 11:16:23,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 11:16:23,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-09 11:16:23,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045127935] [2020-10-09 11:16:23,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 11:16:23,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:16:23,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 11:16:23,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-09 11:16:23,427 INFO L87 Difference]: Start difference. First operand 508012 states and 2838716 transitions. Second operand 8 states. [2020-10-09 11:16:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:16:51,293 INFO L93 Difference]: Finished difference Result 810646 states and 4333411 transitions. [2020-10-09 11:16:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 11:16:51,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-09 11:16:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:16:57,486 INFO L225 Difference]: With dead ends: 810646 [2020-10-09 11:16:57,486 INFO L226 Difference]: Without dead ends: 810646 [2020-10-09 11:16:57,487 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-09 11:17:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810646 states. [2020-10-09 11:17:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810646 to 560016. [2020-10-09 11:17:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560016 states. Received shutdown request... [2020-10-09 11:18:02,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-09 11:18:02,509 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 11:18:02,514 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 11:18:02,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 11:18:02 BasicIcfg [2020-10-09 11:18:02,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 11:18:02,516 INFO L168 Benchmark]: Toolchain (without parser) took 676159.73 ms. Allocated memory was 251.7 MB in the beginning and 12.1 GB in the end (delta: 11.9 GB). Free memory was 206.3 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 10.8 GB. Max. memory is 14.2 GB. [2020-10-09 11:18:02,517 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:18:02,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.74 ms. Allocated memory was 251.7 MB in the beginning and 317.2 MB in the end (delta: 65.5 MB). Free memory was 206.3 MB in the beginning and 270.4 MB in the end (delta: -64.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. [2020-10-09 11:18:02,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.70 ms. Allocated memory is still 317.2 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. [2020-10-09 11:18:02,519 INFO L168 Benchmark]: Boogie Preprocessor took 26.66 ms. Allocated memory is still 317.2 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:18:02,520 INFO L168 Benchmark]: RCFGBuilder took 486.28 ms. Allocated memory is still 317.2 MB. Free memory was 265.4 MB in the beginning and 238.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-09 11:18:02,521 INFO L168 Benchmark]: TraceAbstraction took 674879.79 ms. Allocated memory was 317.2 MB in the beginning and 12.1 GB in the end (delta: 11.8 GB). Free memory was 238.5 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 10.8 GB. Max. memory is 14.2 GB. [2020-10-09 11:18:02,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 711.74 ms. Allocated memory was 251.7 MB in the beginning and 317.2 MB in the end (delta: 65.5 MB). Free memory was 206.3 MB in the beginning and 270.4 MB in the end (delta: -64.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.70 ms. Allocated memory is still 317.2 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 26.66 ms. Allocated memory is still 317.2 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 486.28 ms. Allocated memory is still 317.2 MB. Free memory was 265.4 MB in the beginning and 238.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 674879.79 ms. Allocated memory was 317.2 MB in the beginning and 12.1 GB in the end (delta: 11.8 GB). Free memory was 238.5 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 10.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 195 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 2 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 35 PlacesBefore, 11 PlacesAfterwards, 35 TransitionsBefore, 8 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 34 TotalNumberOfCompositions, 295 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 866 VarBasedMoverChecksPositive, 58 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 205 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 52 PlacesBefore, 28 PlacesAfterwards, 52 TransitionsBefore, 25 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 34 TotalNumberOfCompositions, 3194 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1668 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 65 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 359 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 69 PlacesBefore, 39 PlacesAfterwards, 69 TransitionsBefore, 35 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 43 TotalNumberOfCompositions, 9163 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2602 VarBasedMoverChecksPositive, 151 VarBasedMoverChecksNegative, 52 SemBasedMoverChecksPositive, 99 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 475 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 86 PlacesBefore, 50 PlacesAfterwards, 86 TransitionsBefore, 45 TransitionsAfterwards, 4544 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 54 TotalNumberOfCompositions, 16244 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4111 VarBasedMoverChecksPositive, 405 VarBasedMoverChecksNegative, 270 SemBasedMoverChecksPositive, 135 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 951 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 103 PlacesBefore, 61 PlacesAfterwards, 103 TransitionsBefore, 56 TransitionsAfterwards, 7040 CoEnabledTransitionPairs, 7 FixpointIterations, 7 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 65 TotalNumberOfCompositions, 36976 MoverChecksTotal - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 698). Cancelled while ReachableStatesComputation was computing reachable states (92974 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 674.6s, OverallIterations: 14, TraceHistogramMax: 5, AutomataDifference: 126.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 308.1s, HoareTripleCheckerStatistics: 694 SDtfs, 1293 SDslu, 1009 SDs, 0 SdLazy, 1486 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508012occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 238.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 541860 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 10074 SizeOfPredicates, 3 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 20/22 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