/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 20:16:15,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 20:16:15,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 20:16:15,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 20:16:15,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 20:16:15,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 20:16:15,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 20:16:15,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 20:16:15,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 20:16:15,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 20:16:15,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 20:16:15,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 20:16:15,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 20:16:15,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 20:16:15,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 20:16:15,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 20:16:15,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 20:16:15,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 20:16:15,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 20:16:15,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 20:16:15,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 20:16:15,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 20:16:15,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 20:16:15,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 20:16:15,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-11 20:16:15,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 20:16:15,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 20:16:15,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 20:16:15,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 20:16:15,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 20:16:15,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 20:16:15,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 20:16:15,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 20:16:15,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 20:16:15,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 20:16:15,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 20:16:15,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-11 20:16:15,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 20:16:15,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 20:16:15,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 20:16:15,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 20:16:15,207 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 20:16:15,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 20:16:15,207 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 20:16:15,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 20:16:15,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 20:16:15,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 20:16:15,209 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 20:16:15,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 20:16:15,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 20:16:15,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 20:16:15,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 20:16:15,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 20:16:15,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 20:16:15,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 20:16:15,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-11 20:16:15,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 20:16:15,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 20:16:15,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 20:16:15,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-11 20:16:15,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 20:16:15,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 20:16:15,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 20:16:15,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 20:16:15,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 20:16:15,667 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 20:16:15,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-09-11 20:16:15,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646386a8b/8ebf09dee28b465aa12cdfbd07242bfb/FLAG86b219b50 [2020-09-11 20:16:16,397 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 20:16:16,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-09-11 20:16:16,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646386a8b/8ebf09dee28b465aa12cdfbd07242bfb/FLAG86b219b50 [2020-09-11 20:16:16,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/646386a8b/8ebf09dee28b465aa12cdfbd07242bfb [2020-09-11 20:16:16,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 20:16:16,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 20:16:16,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 20:16:16,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 20:16:16,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 20:16:16,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:16:16" (1/1) ... [2020-09-11 20:16:16,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799474bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:16, skipping insertion in model container [2020-09-11 20:16:16,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:16:16" (1/1) ... [2020-09-11 20:16:16,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 20:16:16,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 20:16:17,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:16:17,298 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 20:16:17,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 20:16:17,464 INFO L208 MainTranslator]: Completed translation [2020-09-11 20:16:17,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17 WrapperNode [2020-09-11 20:16:17,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 20:16:17,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 20:16:17,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 20:16:17,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 20:16:17,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 20:16:17,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 20:16:17,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 20:16:17,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 20:16:17,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... [2020-09-11 20:16:17,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 20:16:17,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 20:16:17,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 20:16:17,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 20:16:17,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 20:16:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-11 20:16:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-11 20:16:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-11 20:16:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-11 20:16:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 20:16:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-11 20:16:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 20:16:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 20:16:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-11 20:16:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 20:16:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 20:16:17,665 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 20:16:18,075 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 20:16:18,076 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-11 20:16:18,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:16:18 BoogieIcfgContainer [2020-09-11 20:16:18,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 20:16:18,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 20:16:18,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 20:16:18,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 20:16:18,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 08:16:16" (1/3) ... [2020-09-11 20:16:18,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551d1b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:16:18, skipping insertion in model container [2020-09-11 20:16:18,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:16:17" (2/3) ... [2020-09-11 20:16:18,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551d1b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:16:18, skipping insertion in model container [2020-09-11 20:16:18,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:16:18" (3/3) ... [2020-09-11 20:16:18,091 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-09-11 20:16:18,103 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 20:16:18,103 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-11 20:16:18,114 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-11 20:16:18,116 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 20:16:18,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,151 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,151 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:18,196 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-11 20:16:18,221 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:16:18,221 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:16:18,221 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:16:18,221 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:16:18,221 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:16:18,221 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:16:18,222 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:16:18,222 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:16:18,238 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-09-11 20:16:18,241 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-11 20:16:18,300 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-11 20:16:18,301 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 20:16:18,308 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-11 20:16:18,311 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-11 20:16:18,337 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-11 20:16:18,338 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 20:16:18,339 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-11 20:16:18,342 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-09-11 20:16:18,343 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:16:19,820 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-11 20:16:20,198 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-09-11 20:16:20,826 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-09-11 20:16:21,369 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-11 20:16:21,652 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 20:16:21,656 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-09-11 20:16:21,656 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-09-11 20:16:21,662 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-09-11 20:16:21,674 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-09-11 20:16:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-11 20:16:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 20:16:21,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:21,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 20:16:21,687 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:21,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:21,694 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-09-11 20:16:21,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:21,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694814014] [2020-09-11 20:16:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:21,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694814014] [2020-09-11 20:16:21,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:21,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:16:21,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908424619] [2020-09-11 20:16:21,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:21,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:21,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:21,981 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-09-11 20:16:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:22,044 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-09-11 20:16:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:22,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 20:16:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:22,060 INFO L225 Difference]: With dead ends: 35 [2020-09-11 20:16:22,060 INFO L226 Difference]: Without dead ends: 31 [2020-09-11 20:16:22,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:22,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-11 20:16:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-11 20:16:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-11 20:16:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-09-11 20:16:22,109 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-09-11 20:16:22,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:22,109 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-09-11 20:16:22,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-09-11 20:16:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-11 20:16:22,110 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:22,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:22,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 20:16:22,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:22,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:22,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-09-11 20:16:22,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:22,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163980922] [2020-09-11 20:16:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:22,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163980922] [2020-09-11 20:16:22,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:22,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 20:16:22,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90963684] [2020-09-11 20:16:22,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 20:16:22,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:22,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 20:16:22,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:16:22,348 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-09-11 20:16:22,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:22,374 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-09-11 20:16:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 20:16:22,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-09-11 20:16:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:22,376 INFO L225 Difference]: With dead ends: 26 [2020-09-11 20:16:22,376 INFO L226 Difference]: Without dead ends: 24 [2020-09-11 20:16:22,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 20:16:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-11 20:16:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-11 20:16:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-11 20:16:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-09-11 20:16:22,382 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-09-11 20:16:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:22,382 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-09-11 20:16:22,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 20:16:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-09-11 20:16:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 20:16:22,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:22,384 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:22,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 20:16:22,384 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:22,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:22,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-09-11 20:16:22,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:22,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296184261] [2020-09-11 20:16:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:22,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:22,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:22,469 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:16:22,470 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:16:22,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 20:16:22,471 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 20:16:22,472 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:16:22,472 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-11 20:16:22,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,499 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,499 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:22,524 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-11 20:16:22,524 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:16:22,524 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:16:22,525 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:16:22,525 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:16:22,525 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:16:22,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:16:22,525 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:16:22,525 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:16:22,530 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-09-11 20:16:22,531 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-11 20:16:22,581 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-11 20:16:22,582 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 20:16:22,585 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-09-11 20:16:22,595 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-11 20:16:22,634 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-11 20:16:22,634 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 20:16:22,636 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-09-11 20:16:22,642 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-09-11 20:16:22,643 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:16:24,810 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-09-11 20:16:24,944 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-09-11 20:16:25,628 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-11 20:16:25,769 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 20:16:25,776 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3611 [2020-09-11 20:16:25,777 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-09-11 20:16:25,777 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-09-11 20:16:25,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-09-11 20:16:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-09-11 20:16:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 20:16:25,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:25,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 20:16:25,810 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:25,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:25,811 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-09-11 20:16:25,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:25,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713149705] [2020-09-11 20:16:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:25,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713149705] [2020-09-11 20:16:25,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:25,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:16:25,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530051219] [2020-09-11 20:16:25,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:25,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:25,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:25,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:25,866 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-09-11 20:16:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:25,943 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-09-11 20:16:25,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:25,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 20:16:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:25,960 INFO L225 Difference]: With dead ends: 748 [2020-09-11 20:16:25,960 INFO L226 Difference]: Without dead ends: 691 [2020-09-11 20:16:25,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-09-11 20:16:26,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-09-11 20:16:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-11 20:16:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-09-11 20:16:26,042 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-09-11 20:16:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:26,042 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-09-11 20:16:26,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-09-11 20:16:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:16:26,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:26,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:26,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 20:16:26,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:26,044 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-09-11 20:16:26,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:26,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035909575] [2020-09-11 20:16:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:26,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035909575] [2020-09-11 20:16:26,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:26,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:26,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512176258] [2020-09-11 20:16:26,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:26,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:26,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:26,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:26,171 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-09-11 20:16:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:26,322 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-09-11 20:16:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:26,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 20:16:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:26,334 INFO L225 Difference]: With dead ends: 900 [2020-09-11 20:16:26,334 INFO L226 Difference]: Without dead ends: 880 [2020-09-11 20:16:26,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-11 20:16:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-09-11 20:16:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-11 20:16:26,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-09-11 20:16:26,382 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-09-11 20:16:26,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:26,383 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-09-11 20:16:26,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-09-11 20:16:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:16:26,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:26,386 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:26,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 20:16:26,386 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-09-11 20:16:26,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:26,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172152167] [2020-09-11 20:16:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:26,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:26,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:26,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:16:26,433 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:16:26,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 20:16:26,433 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 20:16:26,434 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:16:26,435 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-11 20:16:26,448 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,449 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,454 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,457 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,460 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,460 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,460 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,460 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,460 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,461 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,462 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,463 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,463 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,463 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,463 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,463 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:26,485 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-11 20:16:26,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:16:26,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:16:26,485 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:16:26,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:16:26,485 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:16:26,485 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:16:26,486 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:16:26,486 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:16:26,487 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-09-11 20:16:26,488 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-11 20:16:26,511 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-11 20:16:26,512 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 20:16:26,514 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-09-11 20:16:26,519 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-11 20:16:26,542 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-11 20:16:26,542 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 20:16:26,544 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-09-11 20:16:26,551 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-09-11 20:16:26,551 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:16:29,345 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-09-11 20:16:29,516 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 20:16:29,915 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-09-11 20:16:30,331 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-11 20:16:30,473 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 20:16:30,484 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7576 [2020-09-11 20:16:30,485 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-09-11 20:16:30,485 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-09-11 20:16:30,729 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-09-11 20:16:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-09-11 20:16:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 20:16:30,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:30,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 20:16:30,730 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:30,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:30,731 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-09-11 20:16:30,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:30,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916303535] [2020-09-11 20:16:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:30,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916303535] [2020-09-11 20:16:30,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:30,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:16:30,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133751226] [2020-09-11 20:16:30,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:30,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:30,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:30,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:30,764 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-09-11 20:16:30,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:30,884 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-09-11 20:16:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:30,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 20:16:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:30,934 INFO L225 Difference]: With dead ends: 4669 [2020-09-11 20:16:30,935 INFO L226 Difference]: Without dead ends: 4342 [2020-09-11 20:16:30,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-09-11 20:16:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-09-11 20:16:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-09-11 20:16:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-09-11 20:16:31,134 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-09-11 20:16:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:31,134 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-09-11 20:16:31,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-09-11 20:16:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:16:31,135 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:31,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:31,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-11 20:16:31,136 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:31,136 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-09-11 20:16:31,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:31,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120678926] [2020-09-11 20:16:31,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:31,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120678926] [2020-09-11 20:16:31,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:31,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:31,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466878727] [2020-09-11 20:16:31,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:31,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:31,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:31,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:31,224 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-09-11 20:16:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:31,532 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-09-11 20:16:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:31,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 20:16:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:31,597 INFO L225 Difference]: With dead ends: 6408 [2020-09-11 20:16:31,597 INFO L226 Difference]: Without dead ends: 6352 [2020-09-11 20:16:31,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:31,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-09-11 20:16:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-09-11 20:16:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-09-11 20:16:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-09-11 20:16:31,825 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-09-11 20:16:31,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:31,825 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-09-11 20:16:31,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-09-11 20:16:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:16:31,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:31,827 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:31,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-11 20:16:31,828 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:31,828 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-09-11 20:16:31,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:31,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474066510] [2020-09-11 20:16:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:31,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474066510] [2020-09-11 20:16:31,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:31,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:31,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108390925] [2020-09-11 20:16:31,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:31,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:31,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:31,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:31,896 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-09-11 20:16:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:32,166 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-09-11 20:16:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:32,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 20:16:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:32,212 INFO L225 Difference]: With dead ends: 6754 [2020-09-11 20:16:32,212 INFO L226 Difference]: Without dead ends: 6698 [2020-09-11 20:16:32,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:32,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-09-11 20:16:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-09-11 20:16:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-09-11 20:16:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-09-11 20:16:32,439 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-09-11 20:16:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:32,439 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-09-11 20:16:32,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-09-11 20:16:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 20:16:32,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:32,443 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:32,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-11 20:16:32,443 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:32,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-09-11 20:16:32,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:32,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857167494] [2020-09-11 20:16:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:32,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857167494] [2020-09-11 20:16:32,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:32,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:32,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991880531] [2020-09-11 20:16:32,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:32,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:32,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:32,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:32,503 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-09-11 20:16:32,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:32,550 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-09-11 20:16:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:32,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 20:16:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:32,558 INFO L225 Difference]: With dead ends: 1628 [2020-09-11 20:16:32,558 INFO L226 Difference]: Without dead ends: 1628 [2020-09-11 20:16:32,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-09-11 20:16:32,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-09-11 20:16:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-09-11 20:16:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-09-11 20:16:32,683 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-09-11 20:16:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:32,684 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-09-11 20:16:32,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-09-11 20:16:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:32,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:32,686 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:32,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-11 20:16:32,686 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:32,687 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-09-11 20:16:32,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:32,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123935668] [2020-09-11 20:16:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:32,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123935668] [2020-09-11 20:16:32,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129357347] [2020-09-11 20:16:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-11 20:16:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:32,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:16:32,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:16:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:32,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:16:32,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:16:32,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386858231] [2020-09-11 20:16:32,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:16:32,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:32,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:16:32,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:16:32,947 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-09-11 20:16:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:33,391 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-09-11 20:16:33,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:16:33,392 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-11 20:16:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:33,403 INFO L225 Difference]: With dead ends: 2817 [2020-09-11 20:16:33,403 INFO L226 Difference]: Without dead ends: 2796 [2020-09-11 20:16:33,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:16:33,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-09-11 20:16:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-09-11 20:16:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-09-11 20:16:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-09-11 20:16:33,468 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-09-11 20:16:33,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:33,468 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-09-11 20:16:33,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:16:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-09-11 20:16:33,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:33,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:33,470 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:33,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-11 20:16:33,684 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:33,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:33,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-09-11 20:16:33,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:33,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931608212] [2020-09-11 20:16:33,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:33,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931608212] [2020-09-11 20:16:33,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:33,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:16:33,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438486439] [2020-09-11 20:16:33,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:16:33,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:33,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:16:33,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:33,812 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-09-11 20:16:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:34,111 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-09-11 20:16:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:16:34,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 20:16:34,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:34,121 INFO L225 Difference]: With dead ends: 2731 [2020-09-11 20:16:34,122 INFO L226 Difference]: Without dead ends: 2698 [2020-09-11 20:16:34,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:16:34,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-11 20:16:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-09-11 20:16:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-11 20:16:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-09-11 20:16:34,174 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-09-11 20:16:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:34,175 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-09-11 20:16:34,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:16:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-09-11 20:16:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:34,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:34,176 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:34,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-11 20:16:34,176 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:34,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:34,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-09-11 20:16:34,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:34,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820744095] [2020-09-11 20:16:34,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:16:34,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820744095] [2020-09-11 20:16:34,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:34,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:34,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822627744] [2020-09-11 20:16:34,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:34,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:34,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:34,246 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-09-11 20:16:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:34,416 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-09-11 20:16:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:34,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 20:16:34,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:34,426 INFO L225 Difference]: With dead ends: 2245 [2020-09-11 20:16:34,427 INFO L226 Difference]: Without dead ends: 2233 [2020-09-11 20:16:34,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-09-11 20:16:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-09-11 20:16:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-09-11 20:16:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-09-11 20:16:34,485 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-09-11 20:16:34,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:34,486 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-09-11 20:16:34,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-09-11 20:16:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:34,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:34,488 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:34,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-11 20:16:34,489 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:16:34,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:34,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-09-11 20:16:34,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:34,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385286930] [2020-09-11 20:16:34,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:34,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:34,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:34,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:16:34,533 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:16:34,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-11 20:16:34,534 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 20:16:34,534 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:16:34,535 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-11 20:16:34,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,575 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,585 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:34,607 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-11 20:16:34,607 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:16:34,608 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:16:34,608 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:16:34,608 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:16:34,608 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:16:34,608 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:16:34,608 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:16:34,608 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:16:34,611 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-09-11 20:16:34,612 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-11 20:16:34,640 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-11 20:16:34,640 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-11 20:16:34,642 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-09-11 20:16:34,651 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-11 20:16:34,678 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-11 20:16:34,678 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-11 20:16:34,680 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-09-11 20:16:34,689 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-09-11 20:16:34,689 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:16:37,971 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-09-11 20:16:38,308 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-09-11 20:16:39,276 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-09-11 20:16:39,554 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-09-11 20:16:39,980 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2020-09-11 20:16:40,121 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 20:16:40,128 INFO L206 etLargeBlockEncoding]: Checked pairs total: 11405 [2020-09-11 20:16:40,128 INFO L214 etLargeBlockEncoding]: Total number of compositions: 148 [2020-09-11 20:16:40,128 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 45 transitions, 154 flow [2020-09-11 20:16:41,186 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-09-11 20:16:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-09-11 20:16:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 20:16:41,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:41,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 20:16:41,187 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:41,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:41,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1179639, now seen corresponding path program 1 times [2020-09-11 20:16:41,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:41,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127640267] [2020-09-11 20:16:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:41,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127640267] [2020-09-11 20:16:41,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:41,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:16:41,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367332836] [2020-09-11 20:16:41,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:41,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:41,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:41,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:41,222 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-09-11 20:16:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:41,403 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-09-11 20:16:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:41,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 20:16:41,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:41,491 INFO L225 Difference]: With dead ends: 15456 [2020-09-11 20:16:41,491 INFO L226 Difference]: Without dead ends: 14450 [2020-09-11 20:16:41,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-09-11 20:16:42,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-09-11 20:16:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-09-11 20:16:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-09-11 20:16:43,167 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-09-11 20:16:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:43,168 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-09-11 20:16:43,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-09-11 20:16:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:16:43,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:43,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:43,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-11 20:16:43,169 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:43,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1279109383, now seen corresponding path program 1 times [2020-09-11 20:16:43,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:43,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187284851] [2020-09-11 20:16:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:16:43,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187284851] [2020-09-11 20:16:43,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:43,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:43,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865335894] [2020-09-11 20:16:43,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:43,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:43,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:43,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:43,242 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-09-11 20:16:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:43,553 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-09-11 20:16:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:43,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 20:16:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:43,688 INFO L225 Difference]: With dead ends: 23586 [2020-09-11 20:16:43,689 INFO L226 Difference]: Without dead ends: 23544 [2020-09-11 20:16:43,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:43,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-09-11 20:16:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-09-11 20:16:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-09-11 20:16:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-09-11 20:16:44,737 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-09-11 20:16:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:44,737 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-09-11 20:16:44,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-09-11 20:16:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:16:44,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:44,738 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:44,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-11 20:16:44,739 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash -284604684, now seen corresponding path program 1 times [2020-09-11 20:16:44,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:44,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370746429] [2020-09-11 20:16:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:44,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370746429] [2020-09-11 20:16:44,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:44,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:44,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592078634] [2020-09-11 20:16:44,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:44,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:44,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:44,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:44,807 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-09-11 20:16:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:45,167 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-09-11 20:16:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:45,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 20:16:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:45,298 INFO L225 Difference]: With dead ends: 25978 [2020-09-11 20:16:45,298 INFO L226 Difference]: Without dead ends: 25910 [2020-09-11 20:16:45,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-09-11 20:16:47,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-09-11 20:16:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-09-11 20:16:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-09-11 20:16:47,400 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-09-11 20:16:47,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:47,401 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-09-11 20:16:47,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-09-11 20:16:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 20:16:47,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:47,403 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:47,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-11 20:16:47,404 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:47,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:47,404 INFO L82 PathProgramCache]: Analyzing trace with hash -391482428, now seen corresponding path program 1 times [2020-09-11 20:16:47,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:47,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599941355] [2020-09-11 20:16:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:47,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599941355] [2020-09-11 20:16:47,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:47,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:47,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643837086] [2020-09-11 20:16:47,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:16:47,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:47,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:16:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:47,472 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-09-11 20:16:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:47,520 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-09-11 20:16:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:16:47,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 20:16:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:47,528 INFO L225 Difference]: With dead ends: 3357 [2020-09-11 20:16:47,529 INFO L226 Difference]: Without dead ends: 3357 [2020-09-11 20:16:47,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:16:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-11 20:16:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-09-11 20:16:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-09-11 20:16:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-09-11 20:16:47,619 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-09-11 20:16:47,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:47,620 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-09-11 20:16:47,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:16:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-09-11 20:16:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:47,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:47,622 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:47,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-11 20:16:47,622 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:47,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1421383457, now seen corresponding path program 1 times [2020-09-11 20:16:47,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:47,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805259525] [2020-09-11 20:16:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:16:47,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805259525] [2020-09-11 20:16:47,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:47,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:16:47,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278061283] [2020-09-11 20:16:47,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:16:47,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:47,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:16:47,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:16:47,719 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 5 states. [2020-09-11 20:16:47,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:47,877 INFO L93 Difference]: Finished difference Result 5159 states and 14529 transitions. [2020-09-11 20:16:47,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:16:47,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 20:16:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:47,886 INFO L225 Difference]: With dead ends: 5159 [2020-09-11 20:16:47,886 INFO L226 Difference]: Without dead ends: 5149 [2020-09-11 20:16:47,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:47,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2020-09-11 20:16:47,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 3425. [2020-09-11 20:16:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3425 states. [2020-09-11 20:16:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 9962 transitions. [2020-09-11 20:16:47,980 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 9962 transitions. Word has length 18 [2020-09-11 20:16:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:47,981 INFO L479 AbstractCegarLoop]: Abstraction has 3425 states and 9962 transitions. [2020-09-11 20:16:47,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:16:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 9962 transitions. [2020-09-11 20:16:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:47,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:47,982 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:47,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-11 20:16:47,982 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash 723420348, now seen corresponding path program 1 times [2020-09-11 20:16:47,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:47,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675840409] [2020-09-11 20:16:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:48,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675840409] [2020-09-11 20:16:48,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:48,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:16:48,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939203659] [2020-09-11 20:16:48,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:16:48,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:16:48,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:48,073 INFO L87 Difference]: Start difference. First operand 3425 states and 9962 transitions. Second operand 7 states. [2020-09-11 20:16:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:48,759 INFO L93 Difference]: Finished difference Result 6347 states and 17564 transitions. [2020-09-11 20:16:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:16:48,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 20:16:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:48,775 INFO L225 Difference]: With dead ends: 6347 [2020-09-11 20:16:48,775 INFO L226 Difference]: Without dead ends: 6323 [2020-09-11 20:16:48,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:16:48,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6323 states. [2020-09-11 20:16:48,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6323 to 3381. [2020-09-11 20:16:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-09-11 20:16:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-09-11 20:16:48,915 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-09-11 20:16:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:48,916 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-09-11 20:16:48,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:16:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-09-11 20:16:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:16:48,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:48,922 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:48,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-11 20:16:48,922 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:48,922 INFO L82 PathProgramCache]: Analyzing trace with hash 830017445, now seen corresponding path program 1 times [2020-09-11 20:16:48,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:48,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346581072] [2020-09-11 20:16:48,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:16:49,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346581072] [2020-09-11 20:16:49,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:16:49,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:16:49,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586747973] [2020-09-11 20:16:49,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:16:49,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:49,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:16:49,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:16:49,040 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-09-11 20:16:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:49,426 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-09-11 20:16:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:16:49,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 20:16:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:49,439 INFO L225 Difference]: With dead ends: 6300 [2020-09-11 20:16:49,440 INFO L226 Difference]: Without dead ends: 6273 [2020-09-11 20:16:49,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:16:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-09-11 20:16:49,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-09-11 20:16:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-09-11 20:16:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-09-11 20:16:49,531 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-09-11 20:16:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:49,531 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-09-11 20:16:49,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:16:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-09-11 20:16:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:16:49,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:49,534 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:49,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-11 20:16:49,534 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:49,535 INFO L82 PathProgramCache]: Analyzing trace with hash 533807354, now seen corresponding path program 1 times [2020-09-11 20:16:49,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:49,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625866659] [2020-09-11 20:16:49,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-11 20:16:49,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625866659] [2020-09-11 20:16:49,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670104865] [2020-09-11 20:16:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:16:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:16:49,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:16:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:16:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-11 20:16:49,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:16:49,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:16:49,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121886640] [2020-09-11 20:16:49,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:16:49,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:16:49,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:16:49,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:16:49,859 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-09-11 20:16:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:16:50,314 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-09-11 20:16:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:16:50,315 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 20:16:50,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:16:50,327 INFO L225 Difference]: With dead ends: 6095 [2020-09-11 20:16:50,327 INFO L226 Difference]: Without dead ends: 6079 [2020-09-11 20:16:50,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:16:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-09-11 20:16:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3118. [2020-09-11 20:16:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3118 states. [2020-09-11 20:16:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 9018 transitions. [2020-09-11 20:16:50,430 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 9018 transitions. Word has length 22 [2020-09-11 20:16:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:16:50,431 INFO L479 AbstractCegarLoop]: Abstraction has 3118 states and 9018 transitions. [2020-09-11 20:16:50,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:16:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 9018 transitions. [2020-09-11 20:16:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:16:50,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:16:50,433 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:16:50,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:16:50,648 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 20:16:50,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:16:50,648 INFO L82 PathProgramCache]: Analyzing trace with hash 152610057, now seen corresponding path program 1 times [2020-09-11 20:16:50,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:16:50,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137165505] [2020-09-11 20:16:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:16:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:50,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:16:50,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:16:50,690 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:16:50,691 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:16:50,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-11 20:16:50,691 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 20:16:50,692 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:16:50,692 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-11 20:16:50,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,709 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,709 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:16:50,758 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-11 20:16:50,758 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:16:50,758 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:16:50,758 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:16:50,758 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:16:50,758 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:16:50,758 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:16:50,759 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:16:50,759 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:16:50,761 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-09-11 20:16:50,761 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-11 20:16:50,797 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-11 20:16:50,798 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-11 20:16:50,802 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-09-11 20:16:50,815 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-11 20:16:50,851 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-11 20:16:50,851 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-11 20:16:50,854 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-09-11 20:16:50,864 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-09-11 20:16:50,865 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:16:51,237 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-09-11 20:16:54,144 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 20:16:54,280 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-11 20:16:54,414 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 20:16:55,653 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-11 20:16:56,091 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 20:16:56,104 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17538 [2020-09-11 20:16:56,104 INFO L214 etLargeBlockEncoding]: Total number of compositions: 176 [2020-09-11 20:16:56,104 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 56 transitions, 202 flow [2020-09-11 20:17:22,568 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-09-11 20:17:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-09-11 20:17:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 20:17:22,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:17:22,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 20:17:22,569 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:17:22,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:17:22,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1584808, now seen corresponding path program 1 times [2020-09-11 20:17:22,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:17:22,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062700735] [2020-09-11 20:17:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:17:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:17:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:17:22,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062700735] [2020-09-11 20:17:22,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:17:22,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 20:17:22,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022828302] [2020-09-11 20:17:22,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:17:22,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:17:22,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:17:22,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:17:22,596 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-09-11 20:17:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:17:26,873 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-09-11 20:17:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:17:26,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 20:17:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:17:27,409 INFO L225 Difference]: With dead ends: 118175 [2020-09-11 20:17:27,409 INFO L226 Difference]: Without dead ends: 110531 [2020-09-11 20:17:27,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:17:29,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-09-11 20:17:32,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-09-11 20:17:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-09-11 20:17:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-09-11 20:17:32,905 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-09-11 20:17:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:17:32,905 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-09-11 20:17:32,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:17:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-09-11 20:17:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 20:17:32,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:17:32,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:17:32,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-11 20:17:32,906 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:17:32,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:17:32,906 INFO L82 PathProgramCache]: Analyzing trace with hash 706336859, now seen corresponding path program 1 times [2020-09-11 20:17:32,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:17:32,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138314026] [2020-09-11 20:17:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:17:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:17:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:17:32,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138314026] [2020-09-11 20:17:32,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:17:32,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:17:32,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020064736] [2020-09-11 20:17:32,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:17:32,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:17:32,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:17:32,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:17:32,965 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-09-11 20:17:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:17:40,315 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-09-11 20:17:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:17:40,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 20:17:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:17:41,152 INFO L225 Difference]: With dead ends: 187755 [2020-09-11 20:17:41,152 INFO L226 Difference]: Without dead ends: 187578 [2020-09-11 20:17:41,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:17:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-09-11 20:17:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-09-11 20:17:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-09-11 20:17:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-09-11 20:17:55,316 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-09-11 20:17:55,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:17:55,317 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-09-11 20:17:55,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:17:55,317 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-09-11 20:17:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 20:17:55,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:17:55,318 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:17:55,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-11 20:17:55,318 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:17:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:17:55,318 INFO L82 PathProgramCache]: Analyzing trace with hash -748578768, now seen corresponding path program 1 times [2020-09-11 20:17:55,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:17:55,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755539873] [2020-09-11 20:17:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:17:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:17:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:17:55,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755539873] [2020-09-11 20:17:55,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:17:55,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:17:55,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594571530] [2020-09-11 20:17:55,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:17:55,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:17:55,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:17:55,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:17:55,379 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-09-11 20:18:04,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:04,462 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-09-11 20:18:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:18:04,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 20:18:04,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:05,517 INFO L225 Difference]: With dead ends: 212246 [2020-09-11 20:18:05,517 INFO L226 Difference]: Without dead ends: 211934 [2020-09-11 20:18:05,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:08,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-09-11 20:18:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-09-11 20:18:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-09-11 20:18:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-09-11 20:18:17,993 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-09-11 20:18:17,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:17,993 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-09-11 20:18:17,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:18:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-09-11 20:18:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 20:18:17,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:17,995 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:17,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-11 20:18:17,996 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:17,996 INFO L82 PathProgramCache]: Analyzing trace with hash 921085459, now seen corresponding path program 1 times [2020-09-11 20:18:17,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:17,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066217621] [2020-09-11 20:18:17,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:18:18,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066217621] [2020-09-11 20:18:18,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:18,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:18:18,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189334130] [2020-09-11 20:18:18,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 20:18:18,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:18,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 20:18:18,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:18:18,046 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-09-11 20:18:18,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:18,172 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-09-11 20:18:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 20:18:18,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 20:18:18,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:18,213 INFO L225 Difference]: With dead ends: 14050 [2020-09-11 20:18:18,214 INFO L226 Difference]: Without dead ends: 14050 [2020-09-11 20:18:18,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 20:18:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-09-11 20:18:18,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-09-11 20:18:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-09-11 20:18:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-09-11 20:18:18,685 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-09-11 20:18:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:18,685 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-09-11 20:18:18,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 20:18:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-09-11 20:18:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:18:18,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:18,687 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:18,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-11 20:18:18,687 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:18,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:18,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1755375156, now seen corresponding path program 1 times [2020-09-11 20:18:18,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:18,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013708034] [2020-09-11 20:18:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:18:18,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013708034] [2020-09-11 20:18:18,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170724672] [2020-09-11 20:18:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:20,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:20,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:18:20,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:20,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:20,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721693688] [2020-09-11 20:18:20,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:20,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:20,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:20,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:20,292 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-09-11 20:18:20,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:20,957 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-09-11 20:18:20,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:20,958 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-11 20:18:20,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:21,009 INFO L225 Difference]: With dead ends: 28297 [2020-09-11 20:18:21,009 INFO L226 Difference]: Without dead ends: 28227 [2020-09-11 20:18:21,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:21,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-09-11 20:18:21,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-09-11 20:18:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-09-11 20:18:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-09-11 20:18:21,427 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-09-11 20:18:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:21,427 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-09-11 20:18:21,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-09-11 20:18:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:18:21,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:21,428 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:21,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-09-11 20:18:21,632 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:21,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1676322857, now seen corresponding path program 1 times [2020-09-11 20:18:21,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:21,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600747585] [2020-09-11 20:18:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:21,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600747585] [2020-09-11 20:18:21,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:21,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:21,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582543769] [2020-09-11 20:18:21,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:21,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:21,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:21,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:21,718 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-09-11 20:18:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:22,277 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-09-11 20:18:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:22,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 20:18:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:22,332 INFO L225 Difference]: With dead ends: 28575 [2020-09-11 20:18:22,332 INFO L226 Difference]: Without dead ends: 28491 [2020-09-11 20:18:22,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-09-11 20:18:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-09-11 20:18:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-09-11 20:18:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-09-11 20:18:22,721 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-09-11 20:18:22,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:22,721 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-09-11 20:18:22,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-09-11 20:18:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 20:18:22,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:22,722 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:22,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-11 20:18:22,723 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:22,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:22,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1820904367, now seen corresponding path program 1 times [2020-09-11 20:18:22,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:22,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068719831] [2020-09-11 20:18:22,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:22,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068719831] [2020-09-11 20:18:22,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:22,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:18:22,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936831118] [2020-09-11 20:18:22,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:18:22,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:22,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:18:22,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:18:22,793 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-09-11 20:18:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:25,067 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-09-11 20:18:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:18:25,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 20:18:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:25,114 INFO L225 Difference]: With dead ends: 24605 [2020-09-11 20:18:25,114 INFO L226 Difference]: Without dead ends: 24581 [2020-09-11 20:18:25,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-09-11 20:18:25,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-09-11 20:18:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-09-11 20:18:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-09-11 20:18:25,488 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-09-11 20:18:25,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:25,488 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-09-11 20:18:25,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:18:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-09-11 20:18:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:18:25,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:25,491 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:25,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-11 20:18:25,491 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:25,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:25,492 INFO L82 PathProgramCache]: Analyzing trace with hash 862095341, now seen corresponding path program 1 times [2020-09-11 20:18:25,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:25,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512143859] [2020-09-11 20:18:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-11 20:18:25,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512143859] [2020-09-11 20:18:25,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121842964] [2020-09-11 20:18:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:25,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:25,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-11 20:18:25,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:25,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:25,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314905799] [2020-09-11 20:18:25,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:25,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:25,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:25,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:25,844 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-09-11 20:18:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:26,718 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-09-11 20:18:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:26,719 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 20:18:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:26,810 INFO L225 Difference]: With dead ends: 31898 [2020-09-11 20:18:26,810 INFO L226 Difference]: Without dead ends: 31865 [2020-09-11 20:18:26,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-09-11 20:18:27,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-09-11 20:18:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-09-11 20:18:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-09-11 20:18:27,350 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-09-11 20:18:27,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:27,350 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-09-11 20:18:27,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-09-11 20:18:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:18:27,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:27,352 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:27,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:27,559 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:27,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:27,560 INFO L82 PathProgramCache]: Analyzing trace with hash 611812975, now seen corresponding path program 1 times [2020-09-11 20:18:27,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:27,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133782441] [2020-09-11 20:18:27,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:27,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133782441] [2020-09-11 20:18:27,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349015755] [2020-09-11 20:18:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:27,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:27,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:27,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:27,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:27,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060374107] [2020-09-11 20:18:27,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:27,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:27,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:27,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:27,848 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-09-11 20:18:28,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:28,737 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-09-11 20:18:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:28,738 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 20:18:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:28,799 INFO L225 Difference]: With dead ends: 32253 [2020-09-11 20:18:28,799 INFO L226 Difference]: Without dead ends: 32220 [2020-09-11 20:18:28,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:28,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-09-11 20:18:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-09-11 20:18:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-09-11 20:18:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-09-11 20:18:29,227 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-09-11 20:18:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:29,227 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-09-11 20:18:29,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-09-11 20:18:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:18:29,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:29,230 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:29,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-09-11 20:18:29,444 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:29,445 INFO L82 PathProgramCache]: Analyzing trace with hash -704732583, now seen corresponding path program 1 times [2020-09-11 20:18:29,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:29,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687477674] [2020-09-11 20:18:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:29,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687477674] [2020-09-11 20:18:29,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:29,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:29,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548065275] [2020-09-11 20:18:29,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:29,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:29,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:29,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:29,532 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 7 states. [2020-09-11 20:18:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:30,158 INFO L93 Difference]: Finished difference Result 32335 states and 103485 transitions. [2020-09-11 20:18:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:30,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-11 20:18:30,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:30,223 INFO L225 Difference]: With dead ends: 32335 [2020-09-11 20:18:30,223 INFO L226 Difference]: Without dead ends: 32283 [2020-09-11 20:18:30,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2020-09-11 20:18:30,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 13344. [2020-09-11 20:18:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13344 states. [2020-09-11 20:18:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13344 states to 13344 states and 43620 transitions. [2020-09-11 20:18:30,670 INFO L78 Accepts]: Start accepts. Automaton has 13344 states and 43620 transitions. Word has length 22 [2020-09-11 20:18:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:30,671 INFO L479 AbstractCegarLoop]: Abstraction has 13344 states and 43620 transitions. [2020-09-11 20:18:30,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 13344 states and 43620 transitions. [2020-09-11 20:18:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:18:30,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:30,672 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:30,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-11 20:18:30,673 INFO L427 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:30,673 INFO L82 PathProgramCache]: Analyzing trace with hash -704227934, now seen corresponding path program 1 times [2020-09-11 20:18:30,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:30,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492352439] [2020-09-11 20:18:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:30,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492352439] [2020-09-11 20:18:30,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:30,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:30,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631301127] [2020-09-11 20:18:30,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:30,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:30,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:30,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:30,754 INFO L87 Difference]: Start difference. First operand 13344 states and 43620 transitions. Second operand 7 states. [2020-09-11 20:18:31,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:31,363 INFO L93 Difference]: Finished difference Result 32291 states and 103296 transitions. [2020-09-11 20:18:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:31,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-11 20:18:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:31,431 INFO L225 Difference]: With dead ends: 32291 [2020-09-11 20:18:31,431 INFO L226 Difference]: Without dead ends: 32239 [2020-09-11 20:18:31,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:31,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32239 states. [2020-09-11 20:18:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32239 to 13053. [2020-09-11 20:18:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13053 states. [2020-09-11 20:18:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13053 states to 13053 states and 42435 transitions. [2020-09-11 20:18:32,021 INFO L78 Accepts]: Start accepts. Automaton has 13053 states and 42435 transitions. Word has length 22 [2020-09-11 20:18:32,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:32,021 INFO L479 AbstractCegarLoop]: Abstraction has 13053 states and 42435 transitions. [2020-09-11 20:18:32,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 13053 states and 42435 transitions. [2020-09-11 20:18:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 20:18:32,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:32,023 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:32,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-11 20:18:32,023 INFO L427 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:32,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:32,023 INFO L82 PathProgramCache]: Analyzing trace with hash 804840611, now seen corresponding path program 1 times [2020-09-11 20:18:32,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:32,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178432355] [2020-09-11 20:18:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-11 20:18:32,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178432355] [2020-09-11 20:18:32,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:32,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:18:32,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577828458] [2020-09-11 20:18:32,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:18:32,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:32,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:18:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:18:32,103 INFO L87 Difference]: Start difference. First operand 13053 states and 42435 transitions. Second operand 5 states. [2020-09-11 20:18:32,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:32,414 INFO L93 Difference]: Finished difference Result 22796 states and 72726 transitions. [2020-09-11 20:18:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:18:32,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-11 20:18:32,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:32,476 INFO L225 Difference]: With dead ends: 22796 [2020-09-11 20:18:32,476 INFO L226 Difference]: Without dead ends: 22772 [2020-09-11 20:18:32,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:32,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22772 states. [2020-09-11 20:18:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22772 to 14368. [2020-09-11 20:18:32,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-09-11 20:18:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-09-11 20:18:32,883 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-09-11 20:18:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:32,883 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-09-11 20:18:32,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:18:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-09-11 20:18:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:32,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:32,888 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:32,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-11 20:18:32,888 INFO L427 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1897376779, now seen corresponding path program 1 times [2020-09-11 20:18:32,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:32,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174559932] [2020-09-11 20:18:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:18:33,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174559932] [2020-09-11 20:18:33,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65820298] [2020-09-11 20:18:33,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:33,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 20:18:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 20:18:33,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:33,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 20:18:33,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536510758] [2020-09-11 20:18:33,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 20:18:33,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:33,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 20:18:33,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 20:18:33,295 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-09-11 20:18:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:34,910 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-09-11 20:18:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:34,911 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 20:18:34,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:35,205 INFO L225 Difference]: With dead ends: 41694 [2020-09-11 20:18:35,206 INFO L226 Difference]: Without dead ends: 41661 [2020-09-11 20:18:35,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 20:18:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-09-11 20:18:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-09-11 20:18:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-09-11 20:18:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-09-11 20:18:35,690 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-09-11 20:18:35,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:35,690 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-09-11 20:18:35,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 20:18:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-09-11 20:18:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:35,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:35,695 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:35,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:35,911 INFO L427 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash 580831221, now seen corresponding path program 1 times [2020-09-11 20:18:35,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:35,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522462510] [2020-09-11 20:18:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-11 20:18:36,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522462510] [2020-09-11 20:18:36,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514056684] [2020-09-11 20:18:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:36,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 20:18:36,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-11 20:18:36,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:36,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 20:18:36,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246143579] [2020-09-11 20:18:36,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 20:18:36,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:36,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 20:18:36,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 20:18:36,272 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 16 states. [2020-09-11 20:18:37,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:37,857 INFO L93 Difference]: Finished difference Result 41099 states and 130275 transitions. [2020-09-11 20:18:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:37,857 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 20:18:37,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:37,942 INFO L225 Difference]: With dead ends: 41099 [2020-09-11 20:18:37,943 INFO L226 Difference]: Without dead ends: 41038 [2020-09-11 20:18:37,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 20:18:38,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41038 states. [2020-09-11 20:18:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41038 to 14154. [2020-09-11 20:18:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14154 states. [2020-09-11 20:18:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14154 states to 14154 states and 46395 transitions. [2020-09-11 20:18:38,475 INFO L78 Accepts]: Start accepts. Automaton has 14154 states and 46395 transitions. Word has length 26 [2020-09-11 20:18:38,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:38,475 INFO L479 AbstractCegarLoop]: Abstraction has 14154 states and 46395 transitions. [2020-09-11 20:18:38,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 20:18:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 14154 states and 46395 transitions. [2020-09-11 20:18:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:38,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:38,480 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:38,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-09-11 20:18:38,694 INFO L427 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:38,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:38,694 INFO L82 PathProgramCache]: Analyzing trace with hash 2090404415, now seen corresponding path program 1 times [2020-09-11 20:18:38,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:38,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275461170] [2020-09-11 20:18:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-11 20:18:38,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275461170] [2020-09-11 20:18:38,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745720230] [2020-09-11 20:18:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:38,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:38,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-11 20:18:39,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:39,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:39,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316113884] [2020-09-11 20:18:39,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:39,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:39,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:39,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:39,141 INFO L87 Difference]: Start difference. First operand 14154 states and 46395 transitions. Second operand 12 states. [2020-09-11 20:18:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:39,812 INFO L93 Difference]: Finished difference Result 30015 states and 94989 transitions. [2020-09-11 20:18:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:39,812 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 20:18:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:39,872 INFO L225 Difference]: With dead ends: 30015 [2020-09-11 20:18:39,873 INFO L226 Difference]: Without dead ends: 29979 [2020-09-11 20:18:39,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29979 states. [2020-09-11 20:18:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29979 to 14016. [2020-09-11 20:18:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-09-11 20:18:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-09-11 20:18:40,318 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-09-11 20:18:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:40,318 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-09-11 20:18:40,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-09-11 20:18:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:40,322 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:40,322 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:40,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-09-11 20:18:40,523 INFO L427 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:40,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:40,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1259126849, now seen corresponding path program 1 times [2020-09-11 20:18:40,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:40,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110044732] [2020-09-11 20:18:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-11 20:18:40,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110044732] [2020-09-11 20:18:40,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601888431] [2020-09-11 20:18:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:40,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:40,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-11 20:18:40,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:40,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:40,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197093200] [2020-09-11 20:18:40,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:40,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:40,790 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 12 states. [2020-09-11 20:18:41,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:41,570 INFO L93 Difference]: Finished difference Result 31636 states and 100720 transitions. [2020-09-11 20:18:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:41,571 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 20:18:41,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:41,636 INFO L225 Difference]: With dead ends: 31636 [2020-09-11 20:18:41,636 INFO L226 Difference]: Without dead ends: 31600 [2020-09-11 20:18:41,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:41,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31600 states. [2020-09-11 20:18:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31600 to 14486. [2020-09-11 20:18:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14486 states. [2020-09-11 20:18:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 47676 transitions. [2020-09-11 20:18:42,100 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 47676 transitions. Word has length 26 [2020-09-11 20:18:42,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:42,100 INFO L479 AbstractCegarLoop]: Abstraction has 14486 states and 47676 transitions. [2020-09-11 20:18:42,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 47676 transitions. [2020-09-11 20:18:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:42,104 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:42,104 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:42,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-09-11 20:18:42,308 INFO L427 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:42,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:42,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1815374016, now seen corresponding path program 1 times [2020-09-11 20:18:42,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:42,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254804617] [2020-09-11 20:18:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:42,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254804617] [2020-09-11 20:18:42,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903696674] [2020-09-11 20:18:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:42,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 20:18:42,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:42,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:42,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 20:18:42,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822474777] [2020-09-11 20:18:42,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 20:18:42,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:42,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 20:18:42,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 20:18:42,704 INFO L87 Difference]: Start difference. First operand 14486 states and 47676 transitions. Second operand 16 states. [2020-09-11 20:18:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:44,412 INFO L93 Difference]: Finished difference Result 41659 states and 132230 transitions. [2020-09-11 20:18:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:44,412 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 20:18:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:44,499 INFO L225 Difference]: With dead ends: 41659 [2020-09-11 20:18:44,499 INFO L226 Difference]: Without dead ends: 41612 [2020-09-11 20:18:44,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 20:18:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41612 states. [2020-09-11 20:18:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41612 to 14407. [2020-09-11 20:18:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2020-09-11 20:18:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 47444 transitions. [2020-09-11 20:18:45,039 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 47444 transitions. Word has length 26 [2020-09-11 20:18:45,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:45,039 INFO L479 AbstractCegarLoop]: Abstraction has 14407 states and 47444 transitions. [2020-09-11 20:18:45,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 20:18:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 47444 transitions. [2020-09-11 20:18:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:45,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:45,044 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:45,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-09-11 20:18:45,245 INFO L427 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:45,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:45,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1360285835, now seen corresponding path program 2 times [2020-09-11 20:18:45,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:45,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968930772] [2020-09-11 20:18:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:45,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968930772] [2020-09-11 20:18:45,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504033251] [2020-09-11 20:18:45,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:45,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-11 20:18:45,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 20:18:45,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 20:18:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-11 20:18:45,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:45,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 20:18:45,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208637268] [2020-09-11 20:18:45,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 20:18:45,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:45,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 20:18:45,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 20:18:45,605 INFO L87 Difference]: Start difference. First operand 14407 states and 47444 transitions. Second operand 16 states. [2020-09-11 20:18:47,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:47,417 INFO L93 Difference]: Finished difference Result 39924 states and 125955 transitions. [2020-09-11 20:18:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:47,418 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 20:18:47,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:47,549 INFO L225 Difference]: With dead ends: 39924 [2020-09-11 20:18:47,549 INFO L226 Difference]: Without dead ends: 39877 [2020-09-11 20:18:47,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 20:18:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39877 states. [2020-09-11 20:18:48,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39877 to 14132. [2020-09-11 20:18:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-09-11 20:18:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-09-11 20:18:48,509 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-09-11 20:18:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:48,509 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-09-11 20:18:48,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 20:18:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-09-11 20:18:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:48,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:48,513 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:48,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2020-09-11 20:18:48,714 INFO L427 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:48,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1755372160, now seen corresponding path program 2 times [2020-09-11 20:18:48,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:48,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270876216] [2020-09-11 20:18:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:48,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270876216] [2020-09-11 20:18:48,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:48,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-11 20:18:48,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704019695] [2020-09-11 20:18:48,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-11 20:18:48,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:48,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-11 20:18:48,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-11 20:18:48,823 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 9 states. [2020-09-11 20:18:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:50,302 INFO L93 Difference]: Finished difference Result 41319 states and 131131 transitions. [2020-09-11 20:18:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:50,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-11 20:18:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:50,430 INFO L225 Difference]: With dead ends: 41319 [2020-09-11 20:18:50,430 INFO L226 Difference]: Without dead ends: 41263 [2020-09-11 20:18:50,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-09-11 20:18:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41263 states. [2020-09-11 20:18:50,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41263 to 13736. [2020-09-11 20:18:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13736 states. [2020-09-11 20:18:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 45132 transitions. [2020-09-11 20:18:51,032 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 45132 transitions. Word has length 26 [2020-09-11 20:18:51,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:51,032 INFO L479 AbstractCegarLoop]: Abstraction has 13736 states and 45132 transitions. [2020-09-11 20:18:51,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-11 20:18:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 45132 transitions. [2020-09-11 20:18:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:51,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:51,036 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:51,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-09-11 20:18:51,036 INFO L427 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash 431445621, now seen corresponding path program 2 times [2020-09-11 20:18:51,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:51,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167836135] [2020-09-11 20:18:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:51,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167836135] [2020-09-11 20:18:51,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:51,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-11 20:18:51,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214258130] [2020-09-11 20:18:51,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-11 20:18:51,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:51,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-11 20:18:51,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-11 20:18:51,158 INFO L87 Difference]: Start difference. First operand 13736 states and 45132 transitions. Second operand 9 states. [2020-09-11 20:18:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:52,578 INFO L93 Difference]: Finished difference Result 40797 states and 129302 transitions. [2020-09-11 20:18:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 20:18:52,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-11 20:18:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:52,661 INFO L225 Difference]: With dead ends: 40797 [2020-09-11 20:18:52,662 INFO L226 Difference]: Without dead ends: 40717 [2020-09-11 20:18:52,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-09-11 20:18:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40717 states. [2020-09-11 20:18:53,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40717 to 12973. [2020-09-11 20:18:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12973 states. [2020-09-11 20:18:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12973 states to 12973 states and 42382 transitions. [2020-09-11 20:18:53,341 INFO L78 Accepts]: Start accepts. Automaton has 12973 states and 42382 transitions. Word has length 26 [2020-09-11 20:18:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:53,341 INFO L479 AbstractCegarLoop]: Abstraction has 12973 states and 42382 transitions. [2020-09-11 20:18:53,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-11 20:18:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12973 states and 42382 transitions. [2020-09-11 20:18:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:53,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:53,344 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:53,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-09-11 20:18:53,345 INFO L427 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:53,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:53,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1899180499, now seen corresponding path program 1 times [2020-09-11 20:18:53,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:53,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282514549] [2020-09-11 20:18:53,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:53,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282514549] [2020-09-11 20:18:53,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670696093] [2020-09-11 20:18:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:53,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 20:18:53,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 20:18:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-11 20:18:53,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 20:18:53,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 20:18:53,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268038204] [2020-09-11 20:18:53,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 20:18:53,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:53,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 20:18:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 20:18:53,626 INFO L87 Difference]: Start difference. First operand 12973 states and 42382 transitions. Second operand 12 states. [2020-09-11 20:18:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:54,309 INFO L93 Difference]: Finished difference Result 32044 states and 103297 transitions. [2020-09-11 20:18:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:54,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 20:18:54,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:54,373 INFO L225 Difference]: With dead ends: 32044 [2020-09-11 20:18:54,373 INFO L226 Difference]: Without dead ends: 32018 [2020-09-11 20:18:54,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-11 20:18:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32018 states. [2020-09-11 20:18:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32018 to 12978. [2020-09-11 20:18:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12978 states. [2020-09-11 20:18:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12978 states to 12978 states and 42356 transitions. [2020-09-11 20:18:54,810 INFO L78 Accepts]: Start accepts. Automaton has 12978 states and 42356 transitions. Word has length 26 [2020-09-11 20:18:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:54,811 INFO L479 AbstractCegarLoop]: Abstraction has 12978 states and 42356 transitions. [2020-09-11 20:18:54,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 20:18:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12978 states and 42356 transitions. [2020-09-11 20:18:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:54,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:54,815 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:55,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 20:18:55,015 INFO L427 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:55,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:55,016 INFO L82 PathProgramCache]: Analyzing trace with hash 152437866, now seen corresponding path program 1 times [2020-09-11 20:18:55,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:55,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349609986] [2020-09-11 20:18:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-11 20:18:55,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349609986] [2020-09-11 20:18:55,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:55,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:55,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184158435] [2020-09-11 20:18:55,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:55,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:55,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:55,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:55,129 INFO L87 Difference]: Start difference. First operand 12978 states and 42356 transitions. Second operand 7 states. [2020-09-11 20:18:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:55,718 INFO L93 Difference]: Finished difference Result 31921 states and 102815 transitions. [2020-09-11 20:18:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:55,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 20:18:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:55,782 INFO L225 Difference]: With dead ends: 31921 [2020-09-11 20:18:55,782 INFO L226 Difference]: Without dead ends: 31901 [2020-09-11 20:18:55,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:55,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31901 states. [2020-09-11 20:18:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31901 to 13027. [2020-09-11 20:18:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2020-09-11 20:18:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 42312 transitions. [2020-09-11 20:18:56,218 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 42312 transitions. Word has length 26 [2020-09-11 20:18:56,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:56,219 INFO L479 AbstractCegarLoop]: Abstraction has 13027 states and 42312 transitions. [2020-09-11 20:18:56,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 42312 transitions. [2020-09-11 20:18:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:56,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:56,223 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:56,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-09-11 20:18:56,223 INFO L427 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:56,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:56,224 INFO L82 PathProgramCache]: Analyzing trace with hash 152253416, now seen corresponding path program 1 times [2020-09-11 20:18:56,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:56,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733143570] [2020-09-11 20:18:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-11 20:18:56,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733143570] [2020-09-11 20:18:56,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:56,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:56,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522388595] [2020-09-11 20:18:56,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:56,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:56,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:56,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:56,483 INFO L87 Difference]: Start difference. First operand 13027 states and 42312 transitions. Second operand 7 states. [2020-09-11 20:18:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:57,070 INFO L93 Difference]: Finished difference Result 30274 states and 95920 transitions. [2020-09-11 20:18:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:57,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 20:18:57,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:57,131 INFO L225 Difference]: With dead ends: 30274 [2020-09-11 20:18:57,131 INFO L226 Difference]: Without dead ends: 30232 [2020-09-11 20:18:57,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2020-09-11 20:18:57,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 13336. [2020-09-11 20:18:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13336 states. [2020-09-11 20:18:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13336 states to 13336 states and 43434 transitions. [2020-09-11 20:18:57,554 INFO L78 Accepts]: Start accepts. Automaton has 13336 states and 43434 transitions. Word has length 26 [2020-09-11 20:18:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:57,554 INFO L479 AbstractCegarLoop]: Abstraction has 13336 states and 43434 transitions. [2020-09-11 20:18:57,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 13336 states and 43434 transitions. [2020-09-11 20:18:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:57,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:57,558 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:57,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-09-11 20:18:57,559 INFO L427 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash 152758065, now seen corresponding path program 1 times [2020-09-11 20:18:57,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:57,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803998378] [2020-09-11 20:18:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-11 20:18:57,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803998378] [2020-09-11 20:18:57,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:57,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 20:18:57,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24409600] [2020-09-11 20:18:57,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 20:18:57,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:57,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 20:18:57,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:57,662 INFO L87 Difference]: Start difference. First operand 13336 states and 43434 transitions. Second operand 7 states. [2020-09-11 20:18:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:58,277 INFO L93 Difference]: Finished difference Result 30377 states and 96218 transitions. [2020-09-11 20:18:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 20:18:58,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 20:18:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:58,336 INFO L225 Difference]: With dead ends: 30377 [2020-09-11 20:18:58,337 INFO L226 Difference]: Without dead ends: 30335 [2020-09-11 20:18:58,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-11 20:18:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30335 states. [2020-09-11 20:18:58,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30335 to 13332. [2020-09-11 20:18:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13332 states. [2020-09-11 20:18:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13332 states to 13332 states and 43406 transitions. [2020-09-11 20:18:58,771 INFO L78 Accepts]: Start accepts. Automaton has 13332 states and 43406 transitions. Word has length 26 [2020-09-11 20:18:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:58,772 INFO L479 AbstractCegarLoop]: Abstraction has 13332 states and 43406 transitions. [2020-09-11 20:18:58,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 20:18:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 13332 states and 43406 transitions. [2020-09-11 20:18:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:58,775 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:58,776 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:58,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-09-11 20:18:58,776 INFO L427 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1394308057, now seen corresponding path program 1 times [2020-09-11 20:18:58,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:58,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227698302] [2020-09-11 20:18:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 20:18:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-11 20:18:58,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227698302] [2020-09-11 20:18:58,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 20:18:58,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 20:18:58,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269621032] [2020-09-11 20:18:58,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 20:18:58,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 20:18:58,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 20:18:58,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 20:18:58,849 INFO L87 Difference]: Start difference. First operand 13332 states and 43406 transitions. Second operand 5 states. [2020-09-11 20:18:59,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 20:18:59,159 INFO L93 Difference]: Finished difference Result 22152 states and 70551 transitions. [2020-09-11 20:18:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 20:18:59,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-11 20:18:59,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 20:18:59,220 INFO L225 Difference]: With dead ends: 22152 [2020-09-11 20:18:59,220 INFO L226 Difference]: Without dead ends: 22136 [2020-09-11 20:18:59,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-11 20:18:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22136 states. [2020-09-11 20:18:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22136 to 14503. [2020-09-11 20:18:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2020-09-11 20:18:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 47492 transitions. [2020-09-11 20:18:59,719 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 47492 transitions. Word has length 26 [2020-09-11 20:18:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 20:18:59,719 INFO L479 AbstractCegarLoop]: Abstraction has 14503 states and 47492 transitions. [2020-09-11 20:18:59,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 20:18:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 47492 transitions. [2020-09-11 20:18:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 20:18:59,724 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 20:18:59,724 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 20:18:59,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-09-11 20:18:59,724 INFO L427 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 20:18:59,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 20:18:59,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1404687835, now seen corresponding path program 1 times [2020-09-11 20:18:59,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 20:18:59,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880238446] [2020-09-11 20:18:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 20:18:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:18:59,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:18:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 20:18:59,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 20:18:59,934 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 20:18:59,934 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 20:18:59,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-09-11 20:18:59,939 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 20:18:59,939 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 20:18:59,940 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-09-11 20:18:59,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,988 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,992 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:18:59,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 20:19:00,019 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-11 20:19:00,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 20:19:00,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 20:19:00,020 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-11 20:19:00,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 20:19:00,020 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 20:19:00,020 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 20:19:00,020 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 20:19:00,020 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 20:19:00,022 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-09-11 20:19:00,022 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-11 20:19:00,070 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-11 20:19:00,070 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-11 20:19:00,075 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-09-11 20:19:00,090 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-11 20:19:00,137 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-11 20:19:00,137 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-11 20:19:00,141 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-09-11 20:19:00,157 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-09-11 20:19:00,157 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-11 20:19:04,619 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-09-11 20:19:04,732 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 20:19:04,991 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-11 20:19:05,286 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-11 20:19:05,897 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-11 20:19:06,049 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 20:19:06,100 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26011 [2020-09-11 20:19:06,101 INFO L214 etLargeBlockEncoding]: Total number of compositions: 201 [2020-09-11 20:19:06,101 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 66 transitions, 252 flow Received shutdown request... [2020-09-11 20:19:48,230 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-11 20:19:48,234 WARN L228 ceAbstractionStarter]: Timeout [2020-09-11 20:19:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 08:19:48 BasicIcfg [2020-09-11 20:19:48,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 20:19:48,236 INFO L168 Benchmark]: Toolchain (without parser) took 211583.12 ms. Allocated memory was 138.9 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 100.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,237 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 20:19:48,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.13 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 160.7 MB in the end (delta: -60.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.08 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 158.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,238 INFO L168 Benchmark]: Boogie Preprocessor took 36.23 ms. Allocated memory is still 202.4 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,238 INFO L168 Benchmark]: RCFGBuilder took 500.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.8 MB in the beginning and 132.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,238 INFO L168 Benchmark]: TraceAbstraction took 210152.81 ms. Allocated memory was 202.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 132.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-09-11 20:19:48,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.13 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 160.7 MB in the end (delta: -60.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.08 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 158.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.23 ms. Allocated memory is still 202.4 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.8 MB in the beginning and 132.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210152.81 ms. Allocated memory was 202.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 132.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.4s, 77 ProgramPointsBefore, 18 ProgramPointsAfterwards, 76 TransitionsBefore, 12 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 716 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1089 CheckedPairsTotal, 77 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 107 ProgramPointsBefore, 36 ProgramPointsAfterwards, 105 TransitionsBefore, 28 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 1556 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3611 CheckedPairsTotal, 94 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.9s, 137 ProgramPointsBefore, 49 ProgramPointsAfterwards, 134 TransitionsBefore, 38 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 2775 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7576 CheckedPairsTotal, 120 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.5s, 167 ProgramPointsBefore, 59 ProgramPointsAfterwards, 163 TransitionsBefore, 45 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 52 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 20 ConcurrentYvCompositions, 10 ChoiceCompositions, 4127 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 11405 CheckedPairsTotal, 148 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.3s, 197 ProgramPointsBefore, 73 ProgramPointsAfterwards, 192 TransitionsBefore, 56 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 26 ConcurrentYvCompositions, 12 ChoiceCompositions, 6175 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 17538 CheckedPairsTotal, 176 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.0s, 227 ProgramPointsBefore, 86 ProgramPointsAfterwards, 221 TransitionsBefore, 66 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 7 FixpointIterations, 75 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 26 ConcurrentYvCompositions, 14 ChoiceCompositions, 8629 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 26011 CheckedPairsTotal, 201 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 86 places, 66 transitions, 252 flow. Already constructed 177755 states. Currently 41555 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 209.6s, OverallIterations: 49, TraceHistogramMax: 6, AutomataDifference: 51.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 97.5s, HoareTripleCheckerStatistics: 2360 SDtfs, 11329 SDslu, 7855 SDs, 0 SdLazy, 11033 SolverSat, 870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 539 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2438 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127498occurred 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: 49.5s AutomataMinimizationTime, 44 MinimizatonAttempts, 611060 StatesRemovedByMinimization, 41 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1159 NumberOfCodeBlocks, 1159 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 135539 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1885 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 56 InterpolantComputations, 32 PerfectInterpolantSequences, 266/408 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